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vl.c: Replace fprintf(stderr) with error_report()
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 }, {
516 .name = "string",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets content of the blob to be inserted from a string",
519 },
520 { /* end of list */ }
521 },
522 };
523
524 /**
525 * Get machine options
526 *
527 * Returns: machine options (never null).
528 */
529 QemuOpts *qemu_get_machine_opts(void)
530 {
531 return qemu_find_opts_singleton("machine");
532 }
533
534 const char *qemu_get_vm_name(void)
535 {
536 return qemu_name;
537 }
538
539 static void res_free(void)
540 {
541 g_free(boot_splash_filedata);
542 boot_splash_filedata = NULL;
543 }
544
545 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
546 {
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
549
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
556 }
557 return 0;
558 }
559
560 /***********************************************************/
561 /* QEMU state */
562
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
564
565 /* We use RUN_STATE_MAX but any invalid value will do */
566 static RunState vmstop_requested = RUN_STATE_MAX;
567 static QemuMutex vmstop_lock;
568
569 typedef struct {
570 RunState from;
571 RunState to;
572 } RunStateTransition;
573
574 static const RunStateTransition runstate_transitions_def[] = {
575 /* from -> to */
576 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
577 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
578
579 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
580 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
583 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
585 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
586 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
604
605 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
607
608 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
609
610 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
611 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
614 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
616 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
618 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
619 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
620
621 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
622
623 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
627 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
628 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
629 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_MAX, RUN_STATE_MAX },
638 };
639
640 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
641
642 bool runstate_check(RunState state)
643 {
644 return current_run_state == state;
645 }
646
647 bool runstate_store(char *str, size_t size)
648 {
649 const char *state = RunState_lookup[current_run_state];
650 size_t len = strlen(state) + 1;
651
652 if (len > size) {
653 return false;
654 }
655 memcpy(str, state, len);
656 return true;
657 }
658
659 static void runstate_init(void)
660 {
661 const RunStateTransition *p;
662
663 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
664 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
665 runstate_valid_transitions[p->from][p->to] = true;
666 }
667
668 qemu_mutex_init(&vmstop_lock);
669 }
670
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state)
673 {
674 assert(new_state < RUN_STATE_MAX);
675
676 if (!runstate_valid_transitions[current_run_state][new_state]) {
677 error_report("invalid runstate transition: '%s' -> '%s'",
678 RunState_lookup[current_run_state],
679 RunState_lookup[new_state]);
680 abort();
681 }
682 trace_runstate_set(new_state);
683 current_run_state = new_state;
684 }
685
686 int runstate_is_running(void)
687 {
688 return runstate_check(RUN_STATE_RUNNING);
689 }
690
691 bool runstate_needs_reset(void)
692 {
693 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
694 runstate_check(RUN_STATE_SHUTDOWN);
695 }
696
697 StatusInfo *qmp_query_status(Error **errp)
698 {
699 StatusInfo *info = g_malloc0(sizeof(*info));
700
701 info->running = runstate_is_running();
702 info->singlestep = singlestep;
703 info->status = current_run_state;
704
705 return info;
706 }
707
708 static bool qemu_vmstop_requested(RunState *r)
709 {
710 qemu_mutex_lock(&vmstop_lock);
711 *r = vmstop_requested;
712 vmstop_requested = RUN_STATE_MAX;
713 qemu_mutex_unlock(&vmstop_lock);
714 return *r < RUN_STATE_MAX;
715 }
716
717 void qemu_system_vmstop_request_prepare(void)
718 {
719 qemu_mutex_lock(&vmstop_lock);
720 }
721
722 void qemu_system_vmstop_request(RunState state)
723 {
724 vmstop_requested = state;
725 qemu_mutex_unlock(&vmstop_lock);
726 qemu_notify_event();
727 }
728
729 void vm_start(void)
730 {
731 RunState requested;
732
733 qemu_vmstop_requested(&requested);
734 if (runstate_is_running() && requested == RUN_STATE_MAX) {
735 return;
736 }
737
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
741 * the STOP event.
742 */
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort);
745 } else {
746 cpu_enable_ticks();
747 runstate_set(RUN_STATE_RUNNING);
748 vm_state_notify(1, RUN_STATE_RUNNING);
749 resume_all_vcpus();
750 }
751
752 qapi_event_send_resume(&error_abort);
753 }
754
755
756 /***********************************************************/
757 /* real time host monotonic timer */
758
759 static time_t qemu_time(void)
760 {
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
762 }
763
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm *tm, int offset)
767 {
768 time_t ti = qemu_time();
769
770 ti += offset;
771 if (rtc_date_offset == -1) {
772 if (rtc_utc)
773 gmtime_r(&ti, tm);
774 else
775 localtime_r(&ti, tm);
776 } else {
777 ti -= rtc_date_offset;
778 gmtime_r(&ti, tm);
779 }
780 }
781
782 int qemu_timedate_diff(struct tm *tm)
783 {
784 time_t seconds;
785
786 if (rtc_date_offset == -1)
787 if (rtc_utc)
788 seconds = mktimegm(tm);
789 else {
790 struct tm tmp = *tm;
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
793 }
794 else
795 seconds = mktimegm(tm) + rtc_date_offset;
796
797 return seconds - qemu_time();
798 }
799
800 static void configure_rtc_date_offset(const char *startdate, int legacy)
801 {
802 time_t rtc_start_date;
803 struct tm tm;
804
805 if (!strcmp(startdate, "now") && legacy) {
806 rtc_date_offset = -1;
807 } else {
808 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
809 &tm.tm_year,
810 &tm.tm_mon,
811 &tm.tm_mday,
812 &tm.tm_hour,
813 &tm.tm_min,
814 &tm.tm_sec) == 6) {
815 /* OK */
816 } else if (sscanf(startdate, "%d-%d-%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday) == 3) {
820 tm.tm_hour = 0;
821 tm.tm_min = 0;
822 tm.tm_sec = 0;
823 } else {
824 goto date_fail;
825 }
826 tm.tm_year -= 1900;
827 tm.tm_mon--;
828 rtc_start_date = mktimegm(&tm);
829 if (rtc_start_date == -1) {
830 date_fail:
831 error_report("invalid date format");
832 error_printf("valid formats: "
833 "'2006-06-17T16:01:21' or '2006-06-17'\n");
834 exit(1);
835 }
836 rtc_date_offset = qemu_time() - rtc_start_date;
837 }
838 }
839
840 static void configure_rtc(QemuOpts *opts)
841 {
842 const char *value;
843
844 value = qemu_opt_get(opts, "base");
845 if (value) {
846 if (!strcmp(value, "utc")) {
847 rtc_utc = 1;
848 } else if (!strcmp(value, "localtime")) {
849 rtc_utc = 0;
850 } else {
851 configure_rtc_date_offset(value, 0);
852 }
853 }
854 value = qemu_opt_get(opts, "clock");
855 if (value) {
856 if (!strcmp(value, "host")) {
857 rtc_clock = QEMU_CLOCK_HOST;
858 } else if (!strcmp(value, "rt")) {
859 rtc_clock = QEMU_CLOCK_REALTIME;
860 } else if (!strcmp(value, "vm")) {
861 rtc_clock = QEMU_CLOCK_VIRTUAL;
862 } else {
863 error_report("invalid option value '%s'", value);
864 exit(1);
865 }
866 }
867 value = qemu_opt_get(opts, "driftfix");
868 if (value) {
869 if (!strcmp(value, "slew")) {
870 static GlobalProperty slew_lost_ticks[] = {
871 {
872 .driver = "mc146818rtc",
873 .property = "lost_tick_policy",
874 .value = "slew",
875 },
876 { /* end of list */ }
877 };
878
879 qdev_prop_register_global_list(slew_lost_ticks);
880 } else if (!strcmp(value, "none")) {
881 /* discard is default */
882 } else {
883 error_report("invalid option value '%s'", value);
884 exit(1);
885 }
886 }
887 }
888
889 /***********************************************************/
890 /* Bluetooth support */
891 static int nb_hcis;
892 static int cur_hci;
893 static struct HCIInfo *hci_table[MAX_NICS];
894
895 struct HCIInfo *qemu_next_hci(void)
896 {
897 if (cur_hci == nb_hcis)
898 return &null_hci;
899
900 return hci_table[cur_hci++];
901 }
902
903 static int bt_hci_parse(const char *str)
904 {
905 struct HCIInfo *hci;
906 bdaddr_t bdaddr;
907
908 if (nb_hcis >= MAX_NICS) {
909 error_report("Too many bluetooth HCIs (max %i).", MAX_NICS);
910 return -1;
911 }
912
913 hci = hci_init(str);
914 if (!hci)
915 return -1;
916
917 bdaddr.b[0] = 0x52;
918 bdaddr.b[1] = 0x54;
919 bdaddr.b[2] = 0x00;
920 bdaddr.b[3] = 0x12;
921 bdaddr.b[4] = 0x34;
922 bdaddr.b[5] = 0x56 + nb_hcis;
923 hci->bdaddr_set(hci, bdaddr.b);
924
925 hci_table[nb_hcis++] = hci;
926
927 return 0;
928 }
929
930 static void bt_vhci_add(int vlan_id)
931 {
932 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
933
934 if (!vlan->slave)
935 error_report("warning: adding a VHCI to an empty scatternet %i",
936 vlan_id);
937
938 bt_vhci_init(bt_new_hci(vlan));
939 }
940
941 static struct bt_device_s *bt_device_add(const char *opt)
942 {
943 struct bt_scatternet_s *vlan;
944 int vlan_id = 0;
945 char *endp = strstr(opt, ",vlan=");
946 int len = (endp ? endp - opt : strlen(opt)) + 1;
947 char devname[10];
948
949 pstrcpy(devname, MIN(sizeof(devname), len), opt);
950
951 if (endp) {
952 vlan_id = strtol(endp + 6, &endp, 0);
953 if (*endp) {
954 error_report("unrecognised bluetooth vlan Id");
955 return 0;
956 }
957 }
958
959 vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 error_report("warning: adding a slave device to an empty scatternet %i",
963 vlan_id);
964
965 if (!strcmp(devname, "keyboard"))
966 return bt_keyboard_init(vlan);
967
968 error_report("unsupported bluetooth device `%s'", devname);
969 return 0;
970 }
971
972 static int bt_parse(const char *opt)
973 {
974 const char *endp, *p;
975 int vlan;
976
977 if (strstart(opt, "hci", &endp)) {
978 if (!*endp || *endp == ',') {
979 if (*endp)
980 if (!strstart(endp, ",vlan=", 0))
981 opt = endp + 1;
982
983 return bt_hci_parse(opt);
984 }
985 } else if (strstart(opt, "vhci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp) {
988 if (strstart(endp, ",vlan=", &p)) {
989 vlan = strtol(p, (char **) &endp, 0);
990 if (*endp) {
991 error_report("bad scatternet '%s'", p);
992 return 1;
993 }
994 } else {
995 error_report("bad parameter '%s'", endp + 1);
996 return 1;
997 }
998 } else
999 vlan = 0;
1000
1001 bt_vhci_add(vlan);
1002 return 0;
1003 }
1004 } else if (strstart(opt, "device:", &endp))
1005 return !bt_device_add(endp);
1006
1007 error_report("bad bluetooth parameter '%s'", opt);
1008 return 1;
1009 }
1010
1011 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1012 {
1013 /* FIXME: change this to true for 1.3 */
1014 if (qemu_opt_get_bool(opts, "enable", false)) {
1015 #ifdef CONFIG_SECCOMP
1016 if (seccomp_start() < 0) {
1017 error_report("failed to install seccomp syscall filter "
1018 "in the kernel");
1019 return -1;
1020 }
1021 #else
1022 error_report("sandboxing request but seccomp is not compiled "
1023 "into this build");
1024 return -1;
1025 #endif
1026 }
1027
1028 return 0;
1029 }
1030
1031 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1032 {
1033 const char *proc_name;
1034
1035 if (qemu_opt_get(opts, "debug-threads")) {
1036 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1037 }
1038 qemu_name = qemu_opt_get(opts, "guest");
1039
1040 proc_name = qemu_opt_get(opts, "process");
1041 if (proc_name) {
1042 os_set_proc_name(proc_name);
1043 }
1044
1045 return 0;
1046 }
1047
1048 bool defaults_enabled(void)
1049 {
1050 return has_defaults;
1051 }
1052
1053 bool usb_enabled(void)
1054 {
1055 return machine_usb(current_machine);
1056 }
1057
1058 #ifndef _WIN32
1059 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1060 {
1061 int fd, dupfd, flags;
1062 int64_t fdset_id;
1063 const char *fd_opaque = NULL;
1064 AddfdInfo *fdinfo;
1065
1066 fd = qemu_opt_get_number(opts, "fd", -1);
1067 fdset_id = qemu_opt_get_number(opts, "set", -1);
1068 fd_opaque = qemu_opt_get(opts, "opaque");
1069
1070 if (fd < 0) {
1071 error_report("fd option is required and must be non-negative");
1072 return -1;
1073 }
1074
1075 if (fd <= STDERR_FILENO) {
1076 error_report("fd cannot be a standard I/O stream");
1077 return -1;
1078 }
1079
1080 /*
1081 * All fds inherited across exec() necessarily have FD_CLOEXEC
1082 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1083 */
1084 flags = fcntl(fd, F_GETFD);
1085 if (flags == -1 || (flags & FD_CLOEXEC)) {
1086 error_report("fd is not valid or already in use");
1087 return -1;
1088 }
1089
1090 if (fdset_id < 0) {
1091 error_report("set option is required and must be non-negative");
1092 return -1;
1093 }
1094
1095 #ifdef F_DUPFD_CLOEXEC
1096 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1097 #else
1098 dupfd = dup(fd);
1099 if (dupfd != -1) {
1100 qemu_set_cloexec(dupfd);
1101 }
1102 #endif
1103 if (dupfd == -1) {
1104 error_report("Error duplicating fd: %s", strerror(errno));
1105 return -1;
1106 }
1107
1108 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1109 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1110 &error_abort);
1111 g_free(fdinfo);
1112
1113 return 0;
1114 }
1115
1116 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1117 {
1118 int fd;
1119
1120 fd = qemu_opt_get_number(opts, "fd", -1);
1121 close(fd);
1122
1123 return 0;
1124 }
1125 #endif
1126
1127 /***********************************************************/
1128 /* QEMU Block devices */
1129
1130 #define HD_OPTS "media=disk"
1131 #define CDROM_OPTS "media=cdrom"
1132 #define FD_OPTS ""
1133 #define PFLASH_OPTS ""
1134 #define MTD_OPTS ""
1135 #define SD_OPTS ""
1136
1137 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1138 {
1139 BlockInterfaceType *block_default_type = opaque;
1140
1141 return drive_new(opts, *block_default_type) == NULL;
1142 }
1143
1144 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1145 {
1146 if (qemu_opt_get(opts, "snapshot") == NULL) {
1147 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1148 }
1149 return 0;
1150 }
1151
1152 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1153 int index, const char *optstr)
1154 {
1155 QemuOpts *opts;
1156 DriveInfo *dinfo;
1157
1158 if (!enable || drive_get_by_index(type, index)) {
1159 return;
1160 }
1161
1162 opts = drive_add(type, index, NULL, optstr);
1163 if (snapshot) {
1164 drive_enable_snapshot(NULL, opts, NULL);
1165 }
1166
1167 dinfo = drive_new(opts, type);
1168 if (!dinfo) {
1169 exit(1);
1170 }
1171 dinfo->is_default = true;
1172
1173 }
1174
1175 static QemuOptsList qemu_smp_opts = {
1176 .name = "smp-opts",
1177 .implied_opt_name = "cpus",
1178 .merge_lists = true,
1179 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1180 .desc = {
1181 {
1182 .name = "cpus",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "sockets",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "cores",
1189 .type = QEMU_OPT_NUMBER,
1190 }, {
1191 .name = "threads",
1192 .type = QEMU_OPT_NUMBER,
1193 }, {
1194 .name = "maxcpus",
1195 .type = QEMU_OPT_NUMBER,
1196 },
1197 { /*End of list */ }
1198 },
1199 };
1200
1201 static void smp_parse(QemuOpts *opts)
1202 {
1203 if (opts) {
1204
1205 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1206 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1207 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1208 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1209
1210 /* compute missing values, prefer sockets over cores over threads */
1211 if (cpus == 0 || sockets == 0) {
1212 sockets = sockets > 0 ? sockets : 1;
1213 cores = cores > 0 ? cores : 1;
1214 threads = threads > 0 ? threads : 1;
1215 if (cpus == 0) {
1216 cpus = cores * threads * sockets;
1217 }
1218 } else if (cores == 0) {
1219 threads = threads > 0 ? threads : 1;
1220 cores = cpus / (sockets * threads);
1221 } else if (threads == 0) {
1222 threads = cpus / (cores * sockets);
1223 } else if (sockets * cores * threads < cpus) {
1224 error_report("cpu topology: "
1225 "sockets (%u) * cores (%u) * threads (%u) < "
1226 "smp_cpus (%u)",
1227 sockets, cores, threads, cpus);
1228 exit(1);
1229 }
1230
1231 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1232 if (sockets * cores * threads > max_cpus) {
1233 error_report("cpu topology: "
1234 "sockets (%u) * cores (%u) * threads (%u) > "
1235 "maxcpus (%u)",
1236 sockets, cores, threads, max_cpus);
1237 exit(1);
1238 }
1239
1240 smp_cpus = cpus;
1241 smp_cores = cores > 0 ? cores : 1;
1242 smp_threads = threads > 0 ? threads : 1;
1243
1244 }
1245
1246 if (max_cpus == 0) {
1247 max_cpus = smp_cpus;
1248 }
1249
1250 if (max_cpus > MAX_CPUMASK_BITS) {
1251 error_report("Unsupported number of maxcpus");
1252 exit(1);
1253 }
1254 if (max_cpus < smp_cpus) {
1255 error_report("maxcpus must be equal to or greater than smp");
1256 exit(1);
1257 }
1258
1259 }
1260
1261 static void realtime_init(void)
1262 {
1263 if (enable_mlock) {
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1266 exit(1);
1267 }
1268 }
1269 }
1270
1271
1272 static void configure_msg(QemuOpts *opts)
1273 {
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 }
1276
1277 /***********************************************************/
1278 /* Semihosting */
1279
1280 typedef struct SemihostingConfig {
1281 bool enabled;
1282 SemihostingTarget target;
1283 const char **argv;
1284 int argc;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1287
1288 static SemihostingConfig semihosting;
1289
1290 bool semihosting_enabled(void)
1291 {
1292 return semihosting.enabled;
1293 }
1294
1295 SemihostingTarget semihosting_get_target(void)
1296 {
1297 return semihosting.target;
1298 }
1299
1300 const char *semihosting_get_arg(int i)
1301 {
1302 if (i >= semihosting.argc) {
1303 return NULL;
1304 }
1305 return semihosting.argv[i];
1306 }
1307
1308 int semihosting_get_argc(void)
1309 {
1310 return semihosting.argc;
1311 }
1312
1313 const char *semihosting_get_cmdline(void)
1314 {
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1317 }
1318 return semihosting.cmdline;
1319 }
1320
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1323 Error **errp)
1324 {
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1327 s->argc++;
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1332 }
1333 return 0;
1334 }
1335
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1338 {
1339 char *cmd_token;
1340
1341 /* argv[0] */
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1343
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1346 while (cmd_token) {
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1349 }
1350 }
1351
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1355 {
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 }
1358
1359 /***********************************************************/
1360 /* USB devices */
1361
1362 static int usb_device_add(const char *devname)
1363 {
1364 USBDevice *dev = NULL;
1365 #ifndef CONFIG_LINUX
1366 const char *p;
1367 #endif
1368
1369 if (!usb_enabled()) {
1370 return -1;
1371 }
1372
1373 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1374 dev = usbdevice_create(devname);
1375 if (dev)
1376 goto done;
1377
1378 /* the other ones */
1379 #ifndef CONFIG_LINUX
1380 /* only the linux version is qdev-ified, usb-bsd still needs this */
1381 if (strstart(devname, "host:", &p)) {
1382 dev = usb_host_device_open(usb_bus_find(-1), p);
1383 }
1384 #endif
1385 if (!dev)
1386 return -1;
1387
1388 done:
1389 return 0;
1390 }
1391
1392 static int usb_device_del(const char *devname)
1393 {
1394 int bus_num, addr;
1395 const char *p;
1396
1397 if (strstart(devname, "host:", &p)) {
1398 return -1;
1399 }
1400
1401 if (!usb_enabled()) {
1402 return -1;
1403 }
1404
1405 p = strchr(devname, '.');
1406 if (!p)
1407 return -1;
1408 bus_num = strtoul(devname, NULL, 0);
1409 addr = strtoul(p + 1, NULL, 0);
1410
1411 return usb_device_delete_addr(bus_num, addr);
1412 }
1413
1414 static int usb_parse(const char *cmdline)
1415 {
1416 int r;
1417 r = usb_device_add(cmdline);
1418 if (r < 0) {
1419 error_report("could not add USB device '%s'", cmdline);
1420 }
1421 return r;
1422 }
1423
1424 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1425 {
1426 const char *devname = qdict_get_str(qdict, "devname");
1427 if (usb_device_add(devname) < 0) {
1428 error_report("could not add USB device '%s'", devname);
1429 }
1430 }
1431
1432 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1433 {
1434 const char *devname = qdict_get_str(qdict, "devname");
1435 if (usb_device_del(devname) < 0) {
1436 error_report("could not delete USB device '%s'", devname);
1437 }
1438 }
1439
1440 /***********************************************************/
1441 /* machine registration */
1442
1443 MachineState *current_machine;
1444
1445 static MachineClass *find_machine(const char *name)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (!strcmp(temp->name, name)) {
1454 mc = temp;
1455 break;
1456 }
1457 if (temp->alias &&
1458 !strcmp(temp->alias, name)) {
1459 mc = temp;
1460 break;
1461 }
1462 }
1463
1464 g_slist_free(machines);
1465 return mc;
1466 }
1467
1468 MachineClass *find_default_machine(void)
1469 {
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1475
1476 if (temp->is_default) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineInfoList *qmp_query_machines(Error **errp)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineInfoList *mach_list = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *mc = el->data;
1493 MachineInfoList *entry;
1494 MachineInfo *info;
1495
1496 info = g_malloc0(sizeof(*info));
1497 if (mc->is_default) {
1498 info->has_is_default = true;
1499 info->is_default = true;
1500 }
1501
1502 if (mc->alias) {
1503 info->has_alias = true;
1504 info->alias = g_strdup(mc->alias);
1505 }
1506
1507 info->name = g_strdup(mc->name);
1508 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1509
1510 entry = g_malloc0(sizeof(*entry));
1511 entry->value = info;
1512 entry->next = mach_list;
1513 mach_list = entry;
1514 }
1515
1516 g_slist_free(machines);
1517 return mach_list;
1518 }
1519
1520 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1521 {
1522 ObjectProperty *prop;
1523
1524 if (!qemu_opt_has_help_opt(opts)) {
1525 return 0;
1526 }
1527
1528 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1529 if (!prop->set) {
1530 continue;
1531 }
1532
1533 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1534 prop->name, prop->type);
1535 if (prop->description) {
1536 error_printf(" (%s)\n", prop->description);
1537 } else {
1538 error_printf("\n");
1539 }
1540 }
1541
1542 return 1;
1543 }
1544
1545 /***********************************************************/
1546 /* main execution loop */
1547
1548 struct vm_change_state_entry {
1549 VMChangeStateHandler *cb;
1550 void *opaque;
1551 QLIST_ENTRY (vm_change_state_entry) entries;
1552 };
1553
1554 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1555
1556 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1557 void *opaque)
1558 {
1559 VMChangeStateEntry *e;
1560
1561 e = g_malloc0(sizeof (*e));
1562
1563 e->cb = cb;
1564 e->opaque = opaque;
1565 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1566 return e;
1567 }
1568
1569 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1570 {
1571 QLIST_REMOVE (e, entries);
1572 g_free (e);
1573 }
1574
1575 void vm_state_notify(int running, RunState state)
1576 {
1577 VMChangeStateEntry *e, *next;
1578
1579 trace_vm_state_notify(running, state);
1580
1581 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1582 e->cb(e->opaque, running, state);
1583 }
1584 }
1585
1586 /* reset/shutdown handler */
1587
1588 typedef struct QEMUResetEntry {
1589 QTAILQ_ENTRY(QEMUResetEntry) entry;
1590 QEMUResetHandler *func;
1591 void *opaque;
1592 } QEMUResetEntry;
1593
1594 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1595 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1596 static int reset_requested;
1597 static int shutdown_requested, shutdown_signal = -1;
1598 static pid_t shutdown_pid;
1599 static int powerdown_requested;
1600 static int debug_requested;
1601 static int suspend_requested;
1602 static WakeupReason wakeup_reason;
1603 static NotifierList powerdown_notifiers =
1604 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1605 static NotifierList suspend_notifiers =
1606 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1607 static NotifierList wakeup_notifiers =
1608 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1609 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1610
1611 int qemu_shutdown_requested_get(void)
1612 {
1613 return shutdown_requested;
1614 }
1615
1616 int qemu_reset_requested_get(void)
1617 {
1618 return reset_requested;
1619 }
1620
1621 static int qemu_shutdown_requested(void)
1622 {
1623 return atomic_xchg(&shutdown_requested, 0);
1624 }
1625
1626 static void qemu_kill_report(void)
1627 {
1628 if (!qtest_driver() && shutdown_signal != -1) {
1629 if (shutdown_pid == 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1632 */
1633 error_report("terminating on signal %d", shutdown_signal);
1634 } else {
1635 error_report("terminating on signal %d from pid " FMT_pid,
1636 shutdown_signal, shutdown_pid);
1637 }
1638 shutdown_signal = -1;
1639 }
1640 }
1641
1642 static int qemu_reset_requested(void)
1643 {
1644 int r = reset_requested;
1645 reset_requested = 0;
1646 return r;
1647 }
1648
1649 static int qemu_suspend_requested(void)
1650 {
1651 int r = suspend_requested;
1652 suspend_requested = 0;
1653 return r;
1654 }
1655
1656 static WakeupReason qemu_wakeup_requested(void)
1657 {
1658 return wakeup_reason;
1659 }
1660
1661 static int qemu_powerdown_requested(void)
1662 {
1663 int r = powerdown_requested;
1664 powerdown_requested = 0;
1665 return r;
1666 }
1667
1668 static int qemu_debug_requested(void)
1669 {
1670 int r = debug_requested;
1671 debug_requested = 0;
1672 return r;
1673 }
1674
1675 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1676 {
1677 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1678
1679 re->func = func;
1680 re->opaque = opaque;
1681 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1682 }
1683
1684 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1685 {
1686 QEMUResetEntry *re;
1687
1688 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1689 if (re->func == func && re->opaque == opaque) {
1690 QTAILQ_REMOVE(&reset_handlers, re, entry);
1691 g_free(re);
1692 return;
1693 }
1694 }
1695 }
1696
1697 void qemu_devices_reset(void)
1698 {
1699 QEMUResetEntry *re, *nre;
1700
1701 /* reset all devices */
1702 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1703 re->func(re->opaque);
1704 }
1705 }
1706
1707 void qemu_system_reset(bool report)
1708 {
1709 MachineClass *mc;
1710
1711 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1712
1713 if (mc && mc->reset) {
1714 mc->reset();
1715 } else {
1716 qemu_devices_reset();
1717 }
1718 if (report) {
1719 qapi_event_send_reset(&error_abort);
1720 }
1721 cpu_synchronize_all_post_reset();
1722 }
1723
1724 void qemu_system_guest_panicked(void)
1725 {
1726 if (current_cpu) {
1727 current_cpu->crash_occurred = true;
1728 }
1729 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1730 vm_stop(RUN_STATE_GUEST_PANICKED);
1731 }
1732
1733 void qemu_system_reset_request(void)
1734 {
1735 if (no_reboot) {
1736 shutdown_requested = 1;
1737 } else {
1738 reset_requested = 1;
1739 }
1740 cpu_stop_current();
1741 qemu_notify_event();
1742 }
1743
1744 static void qemu_system_suspend(void)
1745 {
1746 pause_all_vcpus();
1747 notifier_list_notify(&suspend_notifiers, NULL);
1748 runstate_set(RUN_STATE_SUSPENDED);
1749 qapi_event_send_suspend(&error_abort);
1750 }
1751
1752 void qemu_system_suspend_request(void)
1753 {
1754 if (runstate_check(RUN_STATE_SUSPENDED)) {
1755 return;
1756 }
1757 suspend_requested = 1;
1758 cpu_stop_current();
1759 qemu_notify_event();
1760 }
1761
1762 void qemu_register_suspend_notifier(Notifier *notifier)
1763 {
1764 notifier_list_add(&suspend_notifiers, notifier);
1765 }
1766
1767 void qemu_system_wakeup_request(WakeupReason reason)
1768 {
1769 trace_system_wakeup_request(reason);
1770
1771 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1772 return;
1773 }
1774 if (!(wakeup_reason_mask & (1 << reason))) {
1775 return;
1776 }
1777 runstate_set(RUN_STATE_RUNNING);
1778 wakeup_reason = reason;
1779 qemu_notify_event();
1780 }
1781
1782 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1783 {
1784 if (enabled) {
1785 wakeup_reason_mask |= (1 << reason);
1786 } else {
1787 wakeup_reason_mask &= ~(1 << reason);
1788 }
1789 }
1790
1791 void qemu_register_wakeup_notifier(Notifier *notifier)
1792 {
1793 notifier_list_add(&wakeup_notifiers, notifier);
1794 }
1795
1796 void qemu_system_killed(int signal, pid_t pid)
1797 {
1798 shutdown_signal = signal;
1799 shutdown_pid = pid;
1800 no_shutdown = 0;
1801 qemu_system_shutdown_request();
1802 }
1803
1804 void qemu_system_shutdown_request(void)
1805 {
1806 trace_qemu_system_shutdown_request();
1807 shutdown_requested = 1;
1808 qemu_notify_event();
1809 }
1810
1811 static void qemu_system_powerdown(void)
1812 {
1813 qapi_event_send_powerdown(&error_abort);
1814 notifier_list_notify(&powerdown_notifiers, NULL);
1815 }
1816
1817 void qemu_system_powerdown_request(void)
1818 {
1819 trace_qemu_system_powerdown_request();
1820 powerdown_requested = 1;
1821 qemu_notify_event();
1822 }
1823
1824 void qemu_register_powerdown_notifier(Notifier *notifier)
1825 {
1826 notifier_list_add(&powerdown_notifiers, notifier);
1827 }
1828
1829 void qemu_system_debug_request(void)
1830 {
1831 debug_requested = 1;
1832 qemu_notify_event();
1833 }
1834
1835 static bool main_loop_should_exit(void)
1836 {
1837 RunState r;
1838 if (qemu_debug_requested()) {
1839 vm_stop(RUN_STATE_DEBUG);
1840 }
1841 if (qemu_suspend_requested()) {
1842 qemu_system_suspend();
1843 }
1844 if (qemu_shutdown_requested()) {
1845 qemu_kill_report();
1846 qapi_event_send_shutdown(&error_abort);
1847 if (no_shutdown) {
1848 vm_stop(RUN_STATE_SHUTDOWN);
1849 } else {
1850 return true;
1851 }
1852 }
1853 if (qemu_reset_requested()) {
1854 pause_all_vcpus();
1855 cpu_synchronize_all_states();
1856 qemu_system_reset(VMRESET_REPORT);
1857 resume_all_vcpus();
1858 if (runstate_needs_reset()) {
1859 runstate_set(RUN_STATE_PAUSED);
1860 }
1861 }
1862 if (qemu_wakeup_requested()) {
1863 pause_all_vcpus();
1864 cpu_synchronize_all_states();
1865 qemu_system_reset(VMRESET_SILENT);
1866 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1867 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1868 resume_all_vcpus();
1869 qapi_event_send_wakeup(&error_abort);
1870 }
1871 if (qemu_powerdown_requested()) {
1872 qemu_system_powerdown();
1873 }
1874 if (qemu_vmstop_requested(&r)) {
1875 vm_stop(r);
1876 }
1877 return false;
1878 }
1879
1880 static void main_loop(void)
1881 {
1882 bool nonblocking;
1883 int last_io = 0;
1884 #ifdef CONFIG_PROFILER
1885 int64_t ti;
1886 #endif
1887 do {
1888 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1889 #ifdef CONFIG_PROFILER
1890 ti = profile_getclock();
1891 #endif
1892 last_io = main_loop_wait(nonblocking);
1893 #ifdef CONFIG_PROFILER
1894 dev_time += profile_getclock() - ti;
1895 #endif
1896 } while (!main_loop_should_exit());
1897 }
1898
1899 static void version(void)
1900 {
1901 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1902 }
1903
1904 static void help(int exitcode)
1905 {
1906 version();
1907 printf("usage: %s [options] [disk_image]\n\n"
1908 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1909 error_get_progname());
1910
1911 #define QEMU_OPTIONS_GENERATE_HELP
1912 #include "qemu-options-wrapper.h"
1913
1914 printf("\nDuring emulation, the following keys are useful:\n"
1915 "ctrl-alt-f toggle full screen\n"
1916 "ctrl-alt-n switch to virtual console 'n'\n"
1917 "ctrl-alt toggle mouse and keyboard grab\n"
1918 "\n"
1919 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1920
1921 exit(exitcode);
1922 }
1923
1924 #define HAS_ARG 0x0001
1925
1926 typedef struct QEMUOption {
1927 const char *name;
1928 int flags;
1929 int index;
1930 uint32_t arch_mask;
1931 } QEMUOption;
1932
1933 static const QEMUOption qemu_options[] = {
1934 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1935 #define QEMU_OPTIONS_GENERATE_OPTIONS
1936 #include "qemu-options-wrapper.h"
1937 { NULL },
1938 };
1939
1940 static bool vga_available(void)
1941 {
1942 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1943 }
1944
1945 static bool cirrus_vga_available(void)
1946 {
1947 return object_class_by_name("cirrus-vga")
1948 || object_class_by_name("isa-cirrus-vga");
1949 }
1950
1951 static bool vmware_vga_available(void)
1952 {
1953 return object_class_by_name("vmware-svga");
1954 }
1955
1956 static bool qxl_vga_available(void)
1957 {
1958 return object_class_by_name("qxl-vga");
1959 }
1960
1961 static bool tcx_vga_available(void)
1962 {
1963 return object_class_by_name("SUNW,tcx");
1964 }
1965
1966 static bool cg3_vga_available(void)
1967 {
1968 return object_class_by_name("cgthree");
1969 }
1970
1971 static bool virtio_vga_available(void)
1972 {
1973 return object_class_by_name("virtio-vga");
1974 }
1975
1976 static void select_vgahw (const char *p)
1977 {
1978 const char *opts;
1979
1980 assert(vga_interface_type == VGA_NONE);
1981 if (strstart(p, "std", &opts)) {
1982 if (vga_available()) {
1983 vga_interface_type = VGA_STD;
1984 } else {
1985 error_report("standard VGA not available");
1986 exit(0);
1987 }
1988 } else if (strstart(p, "cirrus", &opts)) {
1989 if (cirrus_vga_available()) {
1990 vga_interface_type = VGA_CIRRUS;
1991 } else {
1992 error_report("Cirrus VGA not available");
1993 exit(0);
1994 }
1995 } else if (strstart(p, "vmware", &opts)) {
1996 if (vmware_vga_available()) {
1997 vga_interface_type = VGA_VMWARE;
1998 } else {
1999 error_report("VMWare SVGA not available");
2000 exit(0);
2001 }
2002 } else if (strstart(p, "virtio", &opts)) {
2003 if (virtio_vga_available()) {
2004 vga_interface_type = VGA_VIRTIO;
2005 } else {
2006 error_report("Virtio VGA not available");
2007 exit(0);
2008 }
2009 } else if (strstart(p, "xenfb", &opts)) {
2010 vga_interface_type = VGA_XENFB;
2011 } else if (strstart(p, "qxl", &opts)) {
2012 if (qxl_vga_available()) {
2013 vga_interface_type = VGA_QXL;
2014 } else {
2015 error_report("QXL VGA not available");
2016 exit(0);
2017 }
2018 } else if (strstart(p, "tcx", &opts)) {
2019 if (tcx_vga_available()) {
2020 vga_interface_type = VGA_TCX;
2021 } else {
2022 error_report("TCX framebuffer not available");
2023 exit(0);
2024 }
2025 } else if (strstart(p, "cg3", &opts)) {
2026 if (cg3_vga_available()) {
2027 vga_interface_type = VGA_CG3;
2028 } else {
2029 error_report("CG3 framebuffer not available");
2030 exit(0);
2031 }
2032 } else if (!strstart(p, "none", &opts)) {
2033 invalid_vga:
2034 error_report("Unknown vga type: %s", p);
2035 exit(1);
2036 }
2037 while (*opts) {
2038 const char *nextopt;
2039
2040 if (strstart(opts, ",retrace=", &nextopt)) {
2041 opts = nextopt;
2042 if (strstart(opts, "dumb", &nextopt))
2043 vga_retrace_method = VGA_RETRACE_DUMB;
2044 else if (strstart(opts, "precise", &nextopt))
2045 vga_retrace_method = VGA_RETRACE_PRECISE;
2046 else goto invalid_vga;
2047 } else goto invalid_vga;
2048 opts = nextopt;
2049 }
2050 }
2051
2052 static DisplayType select_display(const char *p)
2053 {
2054 const char *opts;
2055 DisplayType display = DT_DEFAULT;
2056
2057 if (strstart(p, "sdl", &opts)) {
2058 #ifdef CONFIG_SDL
2059 display = DT_SDL;
2060 while (*opts) {
2061 const char *nextopt;
2062
2063 if (strstart(opts, ",frame=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "on", &nextopt)) {
2066 no_frame = 0;
2067 } else if (strstart(opts, "off", &nextopt)) {
2068 no_frame = 1;
2069 } else {
2070 goto invalid_sdl_args;
2071 }
2072 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2073 opts = nextopt;
2074 if (strstart(opts, "on", &nextopt)) {
2075 alt_grab = 1;
2076 } else if (strstart(opts, "off", &nextopt)) {
2077 alt_grab = 0;
2078 } else {
2079 goto invalid_sdl_args;
2080 }
2081 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2082 opts = nextopt;
2083 if (strstart(opts, "on", &nextopt)) {
2084 ctrl_grab = 1;
2085 } else if (strstart(opts, "off", &nextopt)) {
2086 ctrl_grab = 0;
2087 } else {
2088 goto invalid_sdl_args;
2089 }
2090 } else if (strstart(opts, ",window_close=", &nextopt)) {
2091 opts = nextopt;
2092 if (strstart(opts, "on", &nextopt)) {
2093 no_quit = 0;
2094 } else if (strstart(opts, "off", &nextopt)) {
2095 no_quit = 1;
2096 } else {
2097 goto invalid_sdl_args;
2098 }
2099 } else if (strstart(opts, ",gl=", &nextopt)) {
2100 opts = nextopt;
2101 if (strstart(opts, "on", &nextopt)) {
2102 request_opengl = 1;
2103 } else if (strstart(opts, "off", &nextopt)) {
2104 request_opengl = 0;
2105 } else {
2106 goto invalid_sdl_args;
2107 }
2108 } else {
2109 invalid_sdl_args:
2110 error_report("Invalid SDL option string");
2111 exit(1);
2112 }
2113 opts = nextopt;
2114 }
2115 #else
2116 error_report("SDL support is disabled");
2117 exit(1);
2118 #endif
2119 } else if (strstart(p, "vnc", &opts)) {
2120 #ifdef CONFIG_VNC
2121 if (*opts == '=') {
2122 Error *err = NULL;
2123 if (vnc_parse(opts + 1, &err) == NULL) {
2124 error_report_err(err);
2125 exit(1);
2126 }
2127 } else {
2128 error_report("VNC requires a display argument vnc=<display>");
2129 exit(1);
2130 }
2131 #else
2132 error_report("VNC support is disabled");
2133 exit(1);
2134 #endif
2135 } else if (strstart(p, "curses", &opts)) {
2136 #ifdef CONFIG_CURSES
2137 display = DT_CURSES;
2138 #else
2139 error_report("Curses support is disabled");
2140 exit(1);
2141 #endif
2142 } else if (strstart(p, "gtk", &opts)) {
2143 #ifdef CONFIG_GTK
2144 display = DT_GTK;
2145 while (*opts) {
2146 const char *nextopt;
2147
2148 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2149 opts = nextopt;
2150 if (strstart(opts, "on", &nextopt)) {
2151 grab_on_hover = true;
2152 } else if (strstart(opts, "off", &nextopt)) {
2153 grab_on_hover = false;
2154 } else {
2155 goto invalid_gtk_args;
2156 }
2157 } else if (strstart(opts, ",gl=", &nextopt)) {
2158 opts = nextopt;
2159 if (strstart(opts, "on", &nextopt)) {
2160 request_opengl = 1;
2161 } else if (strstart(opts, "off", &nextopt)) {
2162 request_opengl = 0;
2163 } else {
2164 goto invalid_gtk_args;
2165 }
2166 } else {
2167 invalid_gtk_args:
2168 error_report("Invalid GTK option string");
2169 exit(1);
2170 }
2171 opts = nextopt;
2172 }
2173 #else
2174 error_report("GTK support is disabled");
2175 exit(1);
2176 #endif
2177 } else if (strstart(p, "none", &opts)) {
2178 display = DT_NONE;
2179 } else {
2180 error_report("Unknown display type");
2181 exit(1);
2182 }
2183
2184 return display;
2185 }
2186
2187 static int balloon_parse(const char *arg)
2188 {
2189 QemuOpts *opts;
2190
2191 if (strcmp(arg, "none") == 0) {
2192 return 0;
2193 }
2194
2195 if (!strncmp(arg, "virtio", 6)) {
2196 if (arg[6] == ',') {
2197 /* have params -> parse them */
2198 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2199 false);
2200 if (!opts)
2201 return -1;
2202 } else {
2203 /* create empty opts */
2204 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2205 &error_abort);
2206 }
2207 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2208 return 0;
2209 }
2210
2211 return -1;
2212 }
2213
2214 char *qemu_find_file(int type, const char *name)
2215 {
2216 int i;
2217 const char *subdir;
2218 char *buf;
2219
2220 /* Try the name as a straight path first */
2221 if (access(name, R_OK) == 0) {
2222 trace_load_file(name, name);
2223 return g_strdup(name);
2224 }
2225
2226 switch (type) {
2227 case QEMU_FILE_TYPE_BIOS:
2228 subdir = "";
2229 break;
2230 case QEMU_FILE_TYPE_KEYMAP:
2231 subdir = "keymaps/";
2232 break;
2233 default:
2234 abort();
2235 }
2236
2237 for (i = 0; i < data_dir_idx; i++) {
2238 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2239 if (access(buf, R_OK) == 0) {
2240 trace_load_file(name, buf);
2241 return buf;
2242 }
2243 g_free(buf);
2244 }
2245 return NULL;
2246 }
2247
2248 static inline bool nonempty_str(const char *str)
2249 {
2250 return str && *str;
2251 }
2252
2253 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2254 {
2255 gchar *buf;
2256 size_t size;
2257 const char *name, *file, *str;
2258
2259 if (opaque == NULL) {
2260 error_report("fw_cfg device not available");
2261 return -1;
2262 }
2263 name = qemu_opt_get(opts, "name");
2264 file = qemu_opt_get(opts, "file");
2265 str = qemu_opt_get(opts, "string");
2266
2267 /* we need name and either a file or the content string */
2268 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2269 error_report("invalid argument(s)");
2270 return -1;
2271 }
2272 if (nonempty_str(file) && nonempty_str(str)) {
2273 error_report("file and string are mutually exclusive");
2274 return -1;
2275 }
2276 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2277 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2278 return -1;
2279 }
2280 if (strncmp(name, "opt/", 4) != 0) {
2281 error_report("WARNING: externally provided fw_cfg item names "
2282 "should be prefixed with \"opt/\"!");
2283 }
2284 if (nonempty_str(str)) {
2285 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2286 buf = g_memdup(str, size);
2287 } else {
2288 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2289 error_report("can't load %s", file);
2290 return -1;
2291 }
2292 }
2293 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2294 return 0;
2295 }
2296
2297 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 return qdev_device_help(opts);
2300 }
2301
2302 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 Error *err = NULL;
2305 DeviceState *dev;
2306
2307 dev = qdev_device_add(opts, &err);
2308 if (!dev) {
2309 error_report_err(err);
2310 return -1;
2311 }
2312 object_unref(OBJECT(dev));
2313 return 0;
2314 }
2315
2316 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 {
2318 Error *local_err = NULL;
2319
2320 qemu_chr_new_from_opts(opts, NULL, &local_err);
2321 if (local_err) {
2322 error_report_err(local_err);
2323 return -1;
2324 }
2325 return 0;
2326 }
2327
2328 #ifdef CONFIG_VIRTFS
2329 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 int ret;
2332 ret = qemu_fsdev_add(opts);
2333
2334 return ret;
2335 }
2336 #endif
2337
2338 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2339 {
2340 CharDriverState *chr;
2341 const char *chardev;
2342 const char *mode;
2343 int flags;
2344
2345 mode = qemu_opt_get(opts, "mode");
2346 if (mode == NULL) {
2347 mode = "readline";
2348 }
2349 if (strcmp(mode, "readline") == 0) {
2350 flags = MONITOR_USE_READLINE;
2351 } else if (strcmp(mode, "control") == 0) {
2352 flags = MONITOR_USE_CONTROL;
2353 } else {
2354 error_report("unknown monitor mode \"%s\"", mode);
2355 exit(1);
2356 }
2357
2358 if (qemu_opt_get_bool(opts, "pretty", 0))
2359 flags |= MONITOR_USE_PRETTY;
2360
2361 if (qemu_opt_get_bool(opts, "default", 0))
2362 flags |= MONITOR_IS_DEFAULT;
2363
2364 chardev = qemu_opt_get(opts, "chardev");
2365 chr = qemu_chr_find(chardev);
2366 if (chr == NULL) {
2367 error_report("chardev \"%s\" not found", chardev);
2368 exit(1);
2369 }
2370
2371 qemu_chr_fe_claim_no_fail(chr);
2372 monitor_init(chr, flags);
2373 return 0;
2374 }
2375
2376 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2377 {
2378 static int monitor_device_index = 0;
2379 Error *local_err = NULL;
2380 QemuOpts *opts;
2381 const char *p;
2382 char label[32];
2383 int def = 0;
2384
2385 if (strstart(optarg, "chardev:", &p)) {
2386 snprintf(label, sizeof(label), "%s", p);
2387 } else {
2388 snprintf(label, sizeof(label), "compat_monitor%d",
2389 monitor_device_index);
2390 if (monitor_device_index == 0) {
2391 def = 1;
2392 }
2393 opts = qemu_chr_parse_compat(label, optarg);
2394 if (!opts) {
2395 error_report("parse error: %s", optarg);
2396 exit(1);
2397 }
2398 }
2399
2400 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2401 if (!opts) {
2402 error_report_err(local_err);
2403 exit(1);
2404 }
2405 qemu_opt_set(opts, "mode", mode, &error_abort);
2406 qemu_opt_set(opts, "chardev", label, &error_abort);
2407 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2408 if (def)
2409 qemu_opt_set(opts, "default", "on", &error_abort);
2410 monitor_device_index++;
2411 }
2412
2413 struct device_config {
2414 enum {
2415 DEV_USB, /* -usbdevice */
2416 DEV_BT, /* -bt */
2417 DEV_SERIAL, /* -serial */
2418 DEV_PARALLEL, /* -parallel */
2419 DEV_VIRTCON, /* -virtioconsole */
2420 DEV_DEBUGCON, /* -debugcon */
2421 DEV_GDB, /* -gdb, -s */
2422 DEV_SCLP, /* s390 sclp */
2423 } type;
2424 const char *cmdline;
2425 Location loc;
2426 QTAILQ_ENTRY(device_config) next;
2427 };
2428
2429 static QTAILQ_HEAD(, device_config) device_configs =
2430 QTAILQ_HEAD_INITIALIZER(device_configs);
2431
2432 static void add_device_config(int type, const char *cmdline)
2433 {
2434 struct device_config *conf;
2435
2436 conf = g_malloc0(sizeof(*conf));
2437 conf->type = type;
2438 conf->cmdline = cmdline;
2439 loc_save(&conf->loc);
2440 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2441 }
2442
2443 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2444 {
2445 struct device_config *conf;
2446 int rc;
2447
2448 QTAILQ_FOREACH(conf, &device_configs, next) {
2449 if (conf->type != type)
2450 continue;
2451 loc_push_restore(&conf->loc);
2452 rc = func(conf->cmdline);
2453 loc_pop(&conf->loc);
2454 if (rc) {
2455 return rc;
2456 }
2457 }
2458 return 0;
2459 }
2460
2461 static int serial_parse(const char *devname)
2462 {
2463 static int index = 0;
2464 char label[32];
2465
2466 if (strcmp(devname, "none") == 0)
2467 return 0;
2468 if (index == MAX_SERIAL_PORTS) {
2469 error_report("too many serial ports");
2470 exit(1);
2471 }
2472 snprintf(label, sizeof(label), "serial%d", index);
2473 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2474 if (!serial_hds[index]) {
2475 error_report("could not connect serial device"
2476 " to character backend '%s'", devname);
2477 return -1;
2478 }
2479 index++;
2480 return 0;
2481 }
2482
2483 static int parallel_parse(const char *devname)
2484 {
2485 static int index = 0;
2486 char label[32];
2487
2488 if (strcmp(devname, "none") == 0)
2489 return 0;
2490 if (index == MAX_PARALLEL_PORTS) {
2491 error_report("too many parallel ports");
2492 exit(1);
2493 }
2494 snprintf(label, sizeof(label), "parallel%d", index);
2495 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2496 if (!parallel_hds[index]) {
2497 error_report("could not connect parallel device"
2498 " to character backend '%s'", devname);
2499 return -1;
2500 }
2501 index++;
2502 return 0;
2503 }
2504
2505 static int virtcon_parse(const char *devname)
2506 {
2507 QemuOptsList *device = qemu_find_opts("device");
2508 static int index = 0;
2509 char label[32];
2510 QemuOpts *bus_opts, *dev_opts;
2511
2512 if (strcmp(devname, "none") == 0)
2513 return 0;
2514 if (index == MAX_VIRTIO_CONSOLES) {
2515 error_report("too many virtio consoles");
2516 exit(1);
2517 }
2518
2519 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2520 if (arch_type == QEMU_ARCH_S390X) {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2522 } else {
2523 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2524 }
2525
2526 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2527 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2528
2529 snprintf(label, sizeof(label), "virtcon%d", index);
2530 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2531 if (!virtcon_hds[index]) {
2532 error_report("could not connect virtio console"
2533 " to character backend '%s'", devname);
2534 return -1;
2535 }
2536 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2537
2538 index++;
2539 return 0;
2540 }
2541
2542 static int sclp_parse(const char *devname)
2543 {
2544 QemuOptsList *device = qemu_find_opts("device");
2545 static int index = 0;
2546 char label[32];
2547 QemuOpts *dev_opts;
2548
2549 if (strcmp(devname, "none") == 0) {
2550 return 0;
2551 }
2552 if (index == MAX_SCLP_CONSOLES) {
2553 error_report("too many sclp consoles");
2554 exit(1);
2555 }
2556
2557 assert(arch_type == QEMU_ARCH_S390X);
2558
2559 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2560 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2561
2562 snprintf(label, sizeof(label), "sclpcon%d", index);
2563 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2564 if (!sclp_hds[index]) {
2565 error_report("could not connect sclp console"
2566 " to character backend '%s'", devname);
2567 return -1;
2568 }
2569 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2570
2571 index++;
2572 return 0;
2573 }
2574
2575 static int debugcon_parse(const char *devname)
2576 {
2577 QemuOpts *opts;
2578
2579 if (!qemu_chr_new("debugcon", devname, NULL)) {
2580 exit(1);
2581 }
2582 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2583 if (!opts) {
2584 error_report("already have a debugcon device");
2585 exit(1);
2586 }
2587 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2588 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2589 return 0;
2590 }
2591
2592 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2593 {
2594 const MachineClass *mc1 = a, *mc2 = b;
2595 int res;
2596
2597 if (mc1->family == NULL) {
2598 if (mc2->family == NULL) {
2599 /* Compare standalone machine types against each other; they sort
2600 * in increasing order.
2601 */
2602 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2603 object_class_get_name(OBJECT_CLASS(mc2)));
2604 }
2605
2606 /* Standalone machine types sort after families. */
2607 return 1;
2608 }
2609
2610 if (mc2->family == NULL) {
2611 /* Families sort before standalone machine types. */
2612 return -1;
2613 }
2614
2615 /* Families sort between each other alphabetically increasingly. */
2616 res = strcmp(mc1->family, mc2->family);
2617 if (res != 0) {
2618 return res;
2619 }
2620
2621 /* Within the same family, machine types sort in decreasing order. */
2622 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2623 object_class_get_name(OBJECT_CLASS(mc1)));
2624 }
2625
2626 static MachineClass *machine_parse(const char *name)
2627 {
2628 MachineClass *mc = NULL;
2629 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2630
2631 if (name) {
2632 mc = find_machine(name);
2633 }
2634 if (mc) {
2635 g_slist_free(machines);
2636 return mc;
2637 }
2638 if (name && !is_help_option(name)) {
2639 error_report("Unsupported machine type");
2640 error_printf("Use -machine help to list supported machines!\n");
2641 } else {
2642 printf("Supported machines are:\n");
2643 machines = g_slist_sort(machines, machine_class_cmp);
2644 for (el = machines; el; el = el->next) {
2645 MachineClass *mc = el->data;
2646 if (mc->alias) {
2647 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2648 }
2649 printf("%-20s %s%s\n", mc->name, mc->desc,
2650 mc->is_default ? " (default)" : "");
2651 }
2652 }
2653
2654 g_slist_free(machines);
2655 exit(!name || !is_help_option(name));
2656 }
2657
2658 void qemu_add_exit_notifier(Notifier *notify)
2659 {
2660 notifier_list_add(&exit_notifiers, notify);
2661 }
2662
2663 void qemu_remove_exit_notifier(Notifier *notify)
2664 {
2665 notifier_remove(notify);
2666 }
2667
2668 static void qemu_run_exit_notifiers(void)
2669 {
2670 notifier_list_notify(&exit_notifiers, NULL);
2671 }
2672
2673 static bool machine_init_done;
2674
2675 void qemu_add_machine_init_done_notifier(Notifier *notify)
2676 {
2677 notifier_list_add(&machine_init_done_notifiers, notify);
2678 if (machine_init_done) {
2679 notify->notify(notify, NULL);
2680 }
2681 }
2682
2683 static void qemu_run_machine_init_done_notifiers(void)
2684 {
2685 notifier_list_notify(&machine_init_done_notifiers, NULL);
2686 machine_init_done = true;
2687 }
2688
2689 static const QEMUOption *lookup_opt(int argc, char **argv,
2690 const char **poptarg, int *poptind)
2691 {
2692 const QEMUOption *popt;
2693 int optind = *poptind;
2694 char *r = argv[optind];
2695 const char *optarg;
2696
2697 loc_set_cmdline(argv, optind, 1);
2698 optind++;
2699 /* Treat --foo the same as -foo. */
2700 if (r[1] == '-')
2701 r++;
2702 popt = qemu_options;
2703 for(;;) {
2704 if (!popt->name) {
2705 error_report("invalid option");
2706 exit(1);
2707 }
2708 if (!strcmp(popt->name, r + 1))
2709 break;
2710 popt++;
2711 }
2712 if (popt->flags & HAS_ARG) {
2713 if (optind >= argc) {
2714 error_report("requires an argument");
2715 exit(1);
2716 }
2717 optarg = argv[optind++];
2718 loc_set_cmdline(argv, optind - 2, 2);
2719 } else {
2720 optarg = NULL;
2721 }
2722
2723 *poptarg = optarg;
2724 *poptind = optind;
2725
2726 return popt;
2727 }
2728
2729 static int machine_set_property(void *opaque,
2730 const char *name, const char *value,
2731 Error **errp)
2732 {
2733 Object *obj = OBJECT(opaque);
2734 Error *local_err = NULL;
2735 char *c, *qom_name;
2736
2737 if (strcmp(name, "type") == 0) {
2738 return 0;
2739 }
2740
2741 qom_name = g_strdup(name);
2742 c = qom_name;
2743 while (*c++) {
2744 if (*c == '_') {
2745 *c = '-';
2746 }
2747 }
2748
2749 object_property_parse(obj, value, qom_name, &local_err);
2750 g_free(qom_name);
2751
2752 if (local_err) {
2753 error_report_err(local_err);
2754 return -1;
2755 }
2756
2757 return 0;
2758 }
2759
2760
2761 /*
2762 * Initial object creation happens before all other
2763 * QEMU data types are created. The majority of objects
2764 * can be created at this point. The rng-egd object
2765 * cannot be created here, as it depends on the chardev
2766 * already existing.
2767 */
2768 static bool object_create_initial(const char *type)
2769 {
2770 if (g_str_equal(type, "rng-egd")) {
2771 return false;
2772 }
2773
2774 /*
2775 * return false for concrete netfilters since
2776 * they depend on netdevs already existing
2777 */
2778 if (g_str_equal(type, "filter-buffer") ||
2779 g_str_equal(type, "filter-dump")) {
2780 return false;
2781 }
2782
2783 return true;
2784 }
2785
2786
2787 /*
2788 * The remainder of object creation happens after the
2789 * creation of chardev, fsdev, net clients and device data types.
2790 */
2791 static bool object_create_delayed(const char *type)
2792 {
2793 return !object_create_initial(type);
2794 }
2795
2796
2797 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2798 {
2799 Error *err = NULL;
2800 char *type = NULL;
2801 char *id = NULL;
2802 void *dummy = NULL;
2803 OptsVisitor *ov;
2804 QDict *pdict;
2805 bool (*type_predicate)(const char *) = opaque;
2806
2807 ov = opts_visitor_new(opts);
2808 pdict = qemu_opts_to_qdict(opts, NULL);
2809
2810 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2811 if (err) {
2812 goto out;
2813 }
2814
2815 qdict_del(pdict, "qom-type");
2816 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2817 if (err) {
2818 goto out;
2819 }
2820 if (!type_predicate(type)) {
2821 goto out;
2822 }
2823
2824 qdict_del(pdict, "id");
2825 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2826 if (err) {
2827 goto out;
2828 }
2829
2830 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2831 if (err) {
2832 goto out;
2833 }
2834 visit_end_struct(opts_get_visitor(ov), &err);
2835 if (err) {
2836 qmp_object_del(id, NULL);
2837 }
2838
2839 out:
2840 opts_visitor_cleanup(ov);
2841
2842 QDECREF(pdict);
2843 g_free(id);
2844 g_free(type);
2845 g_free(dummy);
2846 if (err) {
2847 error_report_err(err);
2848 return -1;
2849 }
2850 return 0;
2851 }
2852
2853 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2854 MachineClass *mc)
2855 {
2856 uint64_t sz;
2857 const char *mem_str;
2858 const char *maxmem_str, *slots_str;
2859 const ram_addr_t default_ram_size = mc->default_ram_size;
2860 QemuOpts *opts = qemu_find_opts_singleton("memory");
2861
2862 sz = 0;
2863 mem_str = qemu_opt_get(opts, "size");
2864 if (mem_str) {
2865 if (!*mem_str) {
2866 error_report("missing 'size' option value");
2867 exit(EXIT_FAILURE);
2868 }
2869
2870 sz = qemu_opt_get_size(opts, "size", ram_size);
2871
2872 /* Fix up legacy suffix-less format */
2873 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2874 uint64_t overflow_check = sz;
2875
2876 sz <<= 20;
2877 if ((sz >> 20) != overflow_check) {
2878 error_report("too large 'size' option value");
2879 exit(EXIT_FAILURE);
2880 }
2881 }
2882 }
2883
2884 /* backward compatibility behaviour for case "-m 0" */
2885 if (sz == 0) {
2886 sz = default_ram_size;
2887 }
2888
2889 sz = QEMU_ALIGN_UP(sz, 8192);
2890 ram_size = sz;
2891 if (ram_size != sz) {
2892 error_report("ram size too large");
2893 exit(EXIT_FAILURE);
2894 }
2895
2896 /* store value for the future use */
2897 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2898 *maxram_size = ram_size;
2899
2900 maxmem_str = qemu_opt_get(opts, "maxmem");
2901 slots_str = qemu_opt_get(opts, "slots");
2902 if (maxmem_str && slots_str) {
2903 uint64_t slots;
2904
2905 sz = qemu_opt_get_size(opts, "maxmem", 0);
2906 slots = qemu_opt_get_number(opts, "slots", 0);
2907 if (sz < ram_size) {
2908 error_report("invalid value of -m option maxmem: "
2909 "maximum memory size (0x%" PRIx64 ") must be at least "
2910 "the initial memory size (0x" RAM_ADDR_FMT ")",
2911 sz, ram_size);
2912 exit(EXIT_FAILURE);
2913 } else if (sz > ram_size) {
2914 if (!slots) {
2915 error_report("invalid value of -m option: maxmem was "
2916 "specified, but no hotplug slots were specified");
2917 exit(EXIT_FAILURE);
2918 }
2919 } else if (slots) {
2920 error_report("invalid value of -m option maxmem: "
2921 "memory slots were specified but maximum memory size "
2922 "(0x%" PRIx64 ") is equal to the initial memory size "
2923 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2924 exit(EXIT_FAILURE);
2925 }
2926
2927 *maxram_size = sz;
2928 *ram_slots = slots;
2929 } else if ((!maxmem_str && slots_str) ||
2930 (maxmem_str && !slots_str)) {
2931 error_report("invalid -m option value: missing "
2932 "'%s' option", slots_str ? "maxmem" : "slots");
2933 exit(EXIT_FAILURE);
2934 }
2935 }
2936
2937 int main(int argc, char **argv, char **envp)
2938 {
2939 int i;
2940 int snapshot, linux_boot;
2941 const char *initrd_filename;
2942 const char *kernel_filename, *kernel_cmdline;
2943 const char *boot_order = NULL;
2944 const char *boot_once = NULL;
2945 DisplayState *ds;
2946 int cyls, heads, secs, translation;
2947 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2948 QemuOptsList *olist;
2949 int optind;
2950 const char *optarg;
2951 const char *loadvm = NULL;
2952 MachineClass *machine_class;
2953 const char *cpu_model;
2954 const char *vga_model = NULL;
2955 const char *qtest_chrdev = NULL;
2956 const char *qtest_log = NULL;
2957 const char *pid_file = NULL;
2958 const char *incoming = NULL;
2959 #ifdef CONFIG_VNC
2960 int show_vnc_port = 0;
2961 #endif
2962 bool defconfig = true;
2963 bool userconfig = true;
2964 const char *log_mask = NULL;
2965 const char *log_file = NULL;
2966 const char *trace_events = NULL;
2967 const char *trace_file = NULL;
2968 ram_addr_t maxram_size;
2969 uint64_t ram_slots = 0;
2970 FILE *vmstate_dump_file = NULL;
2971 Error *main_loop_err = NULL;
2972 Error *err = NULL;
2973
2974 qemu_init_cpu_loop();
2975 qemu_mutex_lock_iothread();
2976
2977 atexit(qemu_run_exit_notifiers);
2978 error_set_progname(argv[0]);
2979 qemu_init_exec_dir(argv[0]);
2980
2981 module_call_init(MODULE_INIT_QOM);
2982
2983 qemu_add_opts(&qemu_drive_opts);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2985 qemu_add_drive_opts(&qemu_common_drive_opts);
2986 qemu_add_drive_opts(&qemu_drive_opts);
2987 qemu_add_opts(&qemu_chardev_opts);
2988 qemu_add_opts(&qemu_device_opts);
2989 qemu_add_opts(&qemu_netdev_opts);
2990 qemu_add_opts(&qemu_net_opts);
2991 qemu_add_opts(&qemu_rtc_opts);
2992 qemu_add_opts(&qemu_global_opts);
2993 qemu_add_opts(&qemu_mon_opts);
2994 qemu_add_opts(&qemu_trace_opts);
2995 qemu_add_opts(&qemu_option_rom_opts);
2996 qemu_add_opts(&qemu_machine_opts);
2997 qemu_add_opts(&qemu_mem_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007 qemu_add_opts(&qemu_numa_opts);
3008 qemu_add_opts(&qemu_icount_opts);
3009 qemu_add_opts(&qemu_semihosting_config_opts);
3010 qemu_add_opts(&qemu_fw_cfg_opts);
3011
3012 runstate_init();
3013
3014 if (qcrypto_init(&err) < 0) {
3015 error_report("Cannot initialize crypto: %s", error_get_pretty(err));
3016 exit(1);
3017 }
3018 rtc_clock = QEMU_CLOCK_HOST;
3019
3020 QLIST_INIT (&vm_change_state_head);
3021 os_setup_early_signal_handling();
3022
3023 module_call_init(MODULE_INIT_MACHINE);
3024 machine_class = find_default_machine();
3025 cpu_model = NULL;
3026 snapshot = 0;
3027 cyls = heads = secs = 0;
3028 translation = BIOS_ATA_TRANSLATION_AUTO;
3029
3030 nb_nics = 0;
3031
3032 bdrv_init_with_whitelist();
3033
3034 autostart = 1;
3035
3036 /* first pass of option parsing */
3037 optind = 1;
3038 while (optind < argc) {
3039 if (argv[optind][0] != '-') {
3040 /* disk image */
3041 optind++;
3042 } else {
3043 const QEMUOption *popt;
3044
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3048 defconfig = false;
3049 break;
3050 case QEMU_OPTION_nouserconfig:
3051 userconfig = false;
3052 break;
3053 }
3054 }
3055 }
3056
3057 if (defconfig) {
3058 int ret;
3059 ret = qemu_read_default_config_files(userconfig);
3060 if (ret < 0) {
3061 exit(1);
3062 }
3063 }
3064
3065 /* second pass of option parsing */
3066 optind = 1;
3067 for(;;) {
3068 if (optind >= argc)
3069 break;
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3078 exit(1);
3079 }
3080 switch(popt->index) {
3081 case QEMU_OPTION_no_kvm_irqchip: {
3082 olist = qemu_find_opts("machine");
3083 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3084 break;
3085 }
3086 case QEMU_OPTION_cpu:
3087 /* hw initialization will check this */
3088 cpu_model = optarg;
3089 break;
3090 case QEMU_OPTION_hda:
3091 {
3092 char buf[256];
3093 if (cyls == 0)
3094 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3095 else
3096 snprintf(buf, sizeof(buf),
3097 "%s,cyls=%d,heads=%d,secs=%d%s",
3098 HD_OPTS , cyls, heads, secs,
3099 translation == BIOS_ATA_TRANSLATION_LBA ?
3100 ",trans=lba" :
3101 translation == BIOS_ATA_TRANSLATION_NONE ?
3102 ",trans=none" : "");
3103 drive_add(IF_DEFAULT, 0, optarg, buf);
3104 break;
3105 }
3106 case QEMU_OPTION_hdb:
3107 case QEMU_OPTION_hdc:
3108 case QEMU_OPTION_hdd:
3109 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3110 HD_OPTS);
3111 break;
3112 case QEMU_OPTION_drive:
3113 if (drive_def(optarg) == NULL) {
3114 exit(1);
3115 }
3116 break;
3117 case QEMU_OPTION_set:
3118 if (qemu_set_option(optarg) != 0)
3119 exit(1);
3120 break;
3121 case QEMU_OPTION_global:
3122 if (qemu_global_option(optarg) != 0)
3123 exit(1);
3124 break;
3125 case QEMU_OPTION_mtdblock:
3126 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3127 break;
3128 case QEMU_OPTION_sd:
3129 drive_add(IF_SD, -1, optarg, SD_OPTS);
3130 break;
3131 case QEMU_OPTION_pflash:
3132 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3133 break;
3134 case QEMU_OPTION_snapshot:
3135 snapshot = 1;
3136 break;
3137 case QEMU_OPTION_hdachs:
3138 {
3139 const char *p;
3140 p = optarg;
3141 cyls = strtol(p, (char **)&p, 0);
3142 if (cyls < 1 || cyls > 16383)
3143 goto chs_fail;
3144 if (*p != ',')
3145 goto chs_fail;
3146 p++;
3147 heads = strtol(p, (char **)&p, 0);
3148 if (heads < 1 || heads > 16)
3149 goto chs_fail;
3150 if (*p != ',')
3151 goto chs_fail;
3152 p++;
3153 secs = strtol(p, (char **)&p, 0);
3154 if (secs < 1 || secs > 63)
3155 goto chs_fail;
3156 if (*p == ',') {
3157 p++;
3158 if (!strcmp(p, "large")) {
3159 translation = BIOS_ATA_TRANSLATION_LARGE;
3160 } else if (!strcmp(p, "rechs")) {
3161 translation = BIOS_ATA_TRANSLATION_RECHS;
3162 } else if (!strcmp(p, "none")) {
3163 translation = BIOS_ATA_TRANSLATION_NONE;
3164 } else if (!strcmp(p, "lba")) {
3165 translation = BIOS_ATA_TRANSLATION_LBA;
3166 } else if (!strcmp(p, "auto")) {
3167 translation = BIOS_ATA_TRANSLATION_AUTO;
3168 } else {
3169 goto chs_fail;
3170 }
3171 } else if (*p != '\0') {
3172 chs_fail:
3173 error_report("invalid physical CHS format");
3174 exit(1);
3175 }
3176 if (hda_opts != NULL) {
3177 qemu_opt_set_number(hda_opts, "cyls", cyls,
3178 &error_abort);
3179 qemu_opt_set_number(hda_opts, "heads", heads,
3180 &error_abort);
3181 qemu_opt_set_number(hda_opts, "secs", secs,
3182 &error_abort);
3183 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3184 qemu_opt_set(hda_opts, "trans", "large",
3185 &error_abort);
3186 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3187 qemu_opt_set(hda_opts, "trans", "rechs",
3188 &error_abort);
3189 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3190 qemu_opt_set(hda_opts, "trans", "lba",
3191 &error_abort);
3192 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3193 qemu_opt_set(hda_opts, "trans", "none",
3194 &error_abort);
3195 }
3196 }
3197 }
3198 break;
3199 case QEMU_OPTION_numa:
3200 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3201 optarg, true);
3202 if (!opts) {
3203 exit(1);
3204 }
3205 break;
3206 case QEMU_OPTION_display:
3207 display_type = select_display(optarg);
3208 break;
3209 case QEMU_OPTION_nographic:
3210 display_type = DT_NOGRAPHIC;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 display_type = DT_CURSES;
3215 #else
3216 error_report("Curses support is disabled");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3267 exit(1);
3268 }
3269 break;
3270 case QEMU_OPTION_net:
3271 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3272 exit(1);
3273 }
3274 break;
3275 #ifdef CONFIG_LIBISCSI
3276 case QEMU_OPTION_iscsi:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3278 optarg, false);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 #endif
3284 #ifdef CONFIG_SLIRP
3285 case QEMU_OPTION_tftp:
3286 legacy_tftp_prefix = optarg;
3287 break;
3288 case QEMU_OPTION_bootp:
3289 legacy_bootp_filename = optarg;
3290 break;
3291 case QEMU_OPTION_redir:
3292 if (net_slirp_redir(optarg) < 0)
3293 exit(1);
3294 break;
3295 #endif
3296 case QEMU_OPTION_bt:
3297 add_device_config(DEV_BT, optarg);
3298 break;
3299 case QEMU_OPTION_audio_help:
3300 AUD_help ();
3301 exit (0);
3302 break;
3303 case QEMU_OPTION_soundhw:
3304 select_soundhw (optarg);
3305 break;
3306 case QEMU_OPTION_h:
3307 help(0);
3308 break;
3309 case QEMU_OPTION_version:
3310 version();
3311 exit(0);
3312 break;
3313 case QEMU_OPTION_m:
3314 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3315 optarg, true);
3316 if (!opts) {
3317 exit(EXIT_FAILURE);
3318 }
3319 break;
3320 #ifdef CONFIG_TPM
3321 case QEMU_OPTION_tpmdev:
3322 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3323 exit(1);
3324 }
3325 break;
3326 #endif
3327 case QEMU_OPTION_mempath:
3328 mem_path = optarg;
3329 break;
3330 case QEMU_OPTION_mem_prealloc:
3331 mem_prealloc = 1;
3332 break;
3333 case QEMU_OPTION_d:
3334 log_mask = optarg;
3335 break;
3336 case QEMU_OPTION_D:
3337 log_file = optarg;
3338 break;
3339 case QEMU_OPTION_s:
3340 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3341 break;
3342 case QEMU_OPTION_gdb:
3343 add_device_config(DEV_GDB, optarg);
3344 break;
3345 case QEMU_OPTION_L:
3346 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3347 data_dir[data_dir_idx++] = optarg;
3348 }
3349 break;
3350 case QEMU_OPTION_bios:
3351 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3352 &error_abort);
3353 break;
3354 case QEMU_OPTION_singlestep:
3355 singlestep = 1;
3356 break;
3357 case QEMU_OPTION_S:
3358 autostart = 0;
3359 break;
3360 case QEMU_OPTION_k:
3361 keyboard_layout = optarg;
3362 break;
3363 case QEMU_OPTION_localtime:
3364 rtc_utc = 0;
3365 break;
3366 case QEMU_OPTION_vga:
3367 vga_model = optarg;
3368 default_vga = 0;
3369 break;
3370 case QEMU_OPTION_g:
3371 {
3372 const char *p;
3373 int w, h, depth;
3374 p = optarg;
3375 w = strtol(p, (char **)&p, 10);
3376 if (w <= 0) {
3377 graphic_error:
3378 error_report("invalid resolution or depth");
3379 exit(1);
3380 }
3381 if (*p != 'x')
3382 goto graphic_error;
3383 p++;
3384 h = strtol(p, (char **)&p, 10);
3385 if (h <= 0)
3386 goto graphic_error;
3387 if (*p == 'x') {
3388 p++;
3389 depth = strtol(p, (char **)&p, 10);
3390 if (depth != 8 && depth != 15 && depth != 16 &&
3391 depth != 24 && depth != 32)
3392 goto graphic_error;
3393 } else if (*p == '\0') {
3394 depth = graphic_depth;
3395 } else {
3396 goto graphic_error;
3397 }
3398
3399 graphic_width = w;
3400 graphic_height = h;
3401 graphic_depth = depth;
3402 }
3403 break;
3404 case QEMU_OPTION_echr:
3405 {
3406 char *r;
3407 term_escape_char = strtol(optarg, &r, 0);
3408 if (r == optarg)
3409 printf("Bad argument to echr\n");
3410 break;
3411 }
3412 case QEMU_OPTION_monitor:
3413 default_monitor = 0;
3414 if (strncmp(optarg, "none", 4)) {
3415 monitor_parse(optarg, "readline", false);
3416 }
3417 break;
3418 case QEMU_OPTION_qmp:
3419 monitor_parse(optarg, "control", false);
3420 default_monitor = 0;
3421 break;
3422 case QEMU_OPTION_qmp_pretty:
3423 monitor_parse(optarg, "control", true);
3424 default_monitor = 0;
3425 break;
3426 case QEMU_OPTION_mon:
3427 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3428 true);
3429 if (!opts) {
3430 exit(1);
3431 }
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_chardev:
3435 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3436 optarg, true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 break;
3441 case QEMU_OPTION_fsdev:
3442 olist = qemu_find_opts("fsdev");
3443 if (!olist) {
3444 error_report("fsdev is not supported by this qemu build.");
3445 exit(1);
3446 }
3447 opts = qemu_opts_parse_noisily(olist, optarg, true);
3448 if (!opts) {
3449 exit(1);
3450 }
3451 break;
3452 case QEMU_OPTION_virtfs: {
3453 QemuOpts *fsdev;
3454 QemuOpts *device;
3455 const char *writeout, *sock_fd, *socket;
3456
3457 olist = qemu_find_opts("virtfs");
3458 if (!olist) {
3459 error_report("virtfs is not supported by this qemu build.");
3460 exit(1);
3461 }
3462 opts = qemu_opts_parse_noisily(olist, optarg, true);
3463 if (!opts) {
3464 exit(1);
3465 }
3466
3467 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3468 qemu_opt_get(opts, "mount_tag") == NULL) {
3469 error_report("Usage: -virtfs fsdriver,mount_tag=tag.");
3470 exit(1);
3471 }
3472 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3473 qemu_opt_get(opts, "mount_tag"),
3474 1, NULL);
3475 if (!fsdev) {
3476 error_report("duplicate fsdev id: %s",
3477 qemu_opt_get(opts, "mount_tag"));
3478 exit(1);
3479 }
3480
3481 writeout = qemu_opt_get(opts, "writeout");
3482 if (writeout) {
3483 #ifdef CONFIG_SYNC_FILE_RANGE
3484 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3485 #else
3486 error_report("writeout=immediate not supported "
3487 "on this platform");
3488 exit(1);
3489 #endif
3490 }
3491 qemu_opt_set(fsdev, "fsdriver",
3492 qemu_opt_get(opts, "fsdriver"), &error_abort);
3493 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3494 &error_abort);
3495 qemu_opt_set(fsdev, "security_model",
3496 qemu_opt_get(opts, "security_model"),
3497 &error_abort);
3498 socket = qemu_opt_get(opts, "socket");
3499 if (socket) {
3500 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3501 }
3502 sock_fd = qemu_opt_get(opts, "sock_fd");
3503 if (sock_fd) {
3504 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3505 }
3506
3507 qemu_opt_set_bool(fsdev, "readonly",
3508 qemu_opt_get_bool(opts, "readonly", 0),
3509 &error_abort);
3510 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3511 &error_abort);
3512 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3513 qemu_opt_set(device, "fsdev",
3514 qemu_opt_get(opts, "mount_tag"), &error_abort);
3515 qemu_opt_set(device, "mount_tag",
3516 qemu_opt_get(opts, "mount_tag"), &error_abort);
3517 break;
3518 }
3519 case QEMU_OPTION_virtfs_synth: {
3520 QemuOpts *fsdev;
3521 QemuOpts *device;
3522
3523 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3524 1, NULL);
3525 if (!fsdev) {
3526 error_report("duplicate option: %s", "virtfs_synth");
3527 exit(1);
3528 }
3529 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3530
3531 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3532 &error_abort);
3533 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3534 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3535 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3536 break;
3537 }
3538 case QEMU_OPTION_serial:
3539 add_device_config(DEV_SERIAL, optarg);
3540 default_serial = 0;
3541 if (strncmp(optarg, "mon:", 4) == 0) {
3542 default_monitor = 0;
3543 }
3544 break;
3545 case QEMU_OPTION_watchdog:
3546 if (watchdog) {
3547 error_report("only one watchdog option may be given");
3548 return 1;
3549 }
3550 watchdog = optarg;
3551 break;
3552 case QEMU_OPTION_watchdog_action:
3553 if (select_watchdog_action(optarg) == -1) {
3554 error_report("Unknown -watchdog-action parameter");
3555 exit(1);
3556 }
3557 break;
3558 case QEMU_OPTION_virtiocon:
3559 add_device_config(DEV_VIRTCON, optarg);
3560 default_virtcon = 0;
3561 if (strncmp(optarg, "mon:", 4) == 0) {
3562 default_monitor = 0;
3563 }
3564 break;
3565 case QEMU_OPTION_parallel:
3566 add_device_config(DEV_PARALLEL, optarg);
3567 default_parallel = 0;
3568 if (strncmp(optarg, "mon:", 4) == 0) {
3569 default_monitor = 0;
3570 }
3571 break;
3572 case QEMU_OPTION_debugcon:
3573 add_device_config(DEV_DEBUGCON, optarg);
3574 break;
3575 case QEMU_OPTION_loadvm:
3576 loadvm = optarg;
3577 break;
3578 case QEMU_OPTION_full_screen:
3579 full_screen = 1;
3580 break;
3581 case QEMU_OPTION_no_frame:
3582 no_frame = 1;
3583 break;
3584 case QEMU_OPTION_alt_grab:
3585 alt_grab = 1;
3586 break;
3587 case QEMU_OPTION_ctrl_grab:
3588 ctrl_grab = 1;
3589 break;
3590 case QEMU_OPTION_no_quit:
3591 no_quit = 1;
3592 break;
3593 case QEMU_OPTION_sdl:
3594 #ifdef CONFIG_SDL
3595 display_type = DT_SDL;
3596 break;
3597 #else
3598 error_report("SDL support is disabled");
3599 exit(1);
3600 #endif
3601 case QEMU_OPTION_pidfile:
3602 pid_file = optarg;
3603 break;
3604 case QEMU_OPTION_win2k_hack:
3605 win2k_install_hack = 1;
3606 break;
3607 case QEMU_OPTION_rtc_td_hack: {
3608 static GlobalProperty slew_lost_ticks[] = {
3609 {
3610 .driver = "mc146818rtc",
3611 .property = "lost_tick_policy",
3612 .value = "slew",
3613 },
3614 { /* end of list */ }
3615 };
3616
3617 qdev_prop_register_global_list(slew_lost_ticks);
3618 break;
3619 }
3620 case QEMU_OPTION_acpitable:
3621 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3622 optarg, true);
3623 if (!opts) {
3624 exit(1);
3625 }
3626 do_acpitable_option(opts);
3627 break;
3628 case QEMU_OPTION_smbios:
3629 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3630 optarg, false);
3631 if (!opts) {
3632 exit(1);
3633 }
3634 do_smbios_option(opts);
3635 break;
3636 case QEMU_OPTION_fwcfg:
3637 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3638 optarg, true);
3639 if (opts == NULL) {
3640 exit(1);
3641 }
3642 break;
3643 case QEMU_OPTION_enable_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3646 break;
3647 case QEMU_OPTION_M:
3648 case QEMU_OPTION_machine:
3649 olist = qemu_find_opts("machine");
3650 opts = qemu_opts_parse_noisily(olist, optarg, true);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 break;
3655 case QEMU_OPTION_no_kvm:
3656 olist = qemu_find_opts("machine");
3657 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3658 break;
3659 case QEMU_OPTION_no_kvm_pit: {
3660 error_report("Warning: KVM PIT can no longer be disabled "
3661 "separately.");
3662 break;
3663 }
3664 case QEMU_OPTION_no_kvm_pit_reinjection: {
3665 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3666 {
3667 .driver = "kvm-pit",
3668 .property = "lost_tick_policy",
3669 .value = "discard",
3670 },
3671 { /* end of list */ }
3672 };
3673
3674 error_report("Warning: option deprecated, use "
3675 "lost_tick_policy property of kvm-pit instead.");
3676 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3677 break;
3678 }
3679 case QEMU_OPTION_usb:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 break;
3683 case QEMU_OPTION_usbdevice:
3684 olist = qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist, "usb=on", false);
3686 add_device_config(DEV_USB, optarg);
3687 break;
3688 case QEMU_OPTION_device:
3689 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3690 optarg, true)) {
3691 exit(1);
3692 }
3693 break;
3694 case QEMU_OPTION_smp:
3695 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3696 optarg, true)) {
3697 exit(1);
3698 }
3699 break;
3700 case QEMU_OPTION_vnc:
3701 {
3702 #ifdef CONFIG_VNC
3703 Error *local_err = NULL;
3704
3705 if (vnc_parse(optarg, &local_err) == NULL) {
3706 error_report_err(local_err);
3707 exit(1);
3708 }
3709 #else
3710 error_report("VNC support is disabled");
3711 exit(1);
3712 #endif
3713 break;
3714 }
3715 case QEMU_OPTION_no_acpi:
3716 acpi_enabled = 0;
3717 break;
3718 case QEMU_OPTION_no_hpet:
3719 no_hpet = 1;
3720 break;
3721 case QEMU_OPTION_balloon:
3722 if (balloon_parse(optarg) < 0) {
3723 error_report("Unknown -balloon argument %s", optarg);
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_no_reboot:
3728 no_reboot = 1;
3729 break;
3730 case QEMU_OPTION_no_shutdown:
3731 no_shutdown = 1;
3732 break;
3733 case QEMU_OPTION_show_cursor:
3734 cursor_hide = 0;
3735 break;
3736 case QEMU_OPTION_uuid:
3737 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3738 error_report("Fail to parse UUID string."
3739 " Wrong format.");
3740 exit(1);
3741 }
3742 qemu_uuid_set = true;
3743 break;
3744 case QEMU_OPTION_option_rom:
3745 if (nb_option_roms >= MAX_OPTION_ROMS) {
3746 error_report("Too many option ROMs");
3747 exit(1);
3748 }
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3750 optarg, true);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3755 option_rom[nb_option_roms].bootindex =
3756 qemu_opt_get_number(opts, "bootindex", -1);
3757 if (!option_rom[nb_option_roms].name) {
3758 error_report("Option ROM file is not specified");
3759 exit(1);
3760 }
3761 nb_option_roms++;
3762 break;
3763 case QEMU_OPTION_semihosting:
3764 semihosting.enabled = true;
3765 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3766 break;
3767 case QEMU_OPTION_semihosting_config:
3768 semihosting.enabled = true;
3769 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3770 optarg, false);
3771 if (opts != NULL) {
3772 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3773 true);
3774 const char *target = qemu_opt_get(opts, "target");
3775 if (target != NULL) {
3776 if (strcmp("native", target) == 0) {
3777 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3778 } else if (strcmp("gdb", target) == 0) {
3779 semihosting.target = SEMIHOSTING_TARGET_GDB;
3780 } else if (strcmp("auto", target) == 0) {
3781 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3782 } else {
3783 error_report("Unsupported semihosting-config %s",
3784 optarg);
3785 exit(1);
3786 }
3787 } else {
3788 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3789 }
3790 /* Set semihosting argument count and vector */
3791 qemu_opt_foreach(opts, add_semihosting_arg,
3792 &semihosting, NULL);
3793 } else {
3794 error_report("Unsupported semihosting-config %s",
3795 optarg);
3796 exit(1);
3797 }
3798 break;
3799 case QEMU_OPTION_tdf:
3800 error_report("Warning: user space PIT time drift fix "
3801 "is no longer supported.");
3802 break;
3803 case QEMU_OPTION_name:
3804 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3805 optarg, true);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 break;
3810 case QEMU_OPTION_prom_env:
3811 if (nb_prom_envs >= MAX_PROM_ENVS) {
3812 error_report("Too many prom variables");
3813 exit(1);
3814 }
3815 prom_envs[nb_prom_envs] = optarg;
3816 nb_prom_envs++;
3817 break;
3818 case QEMU_OPTION_old_param:
3819 old_param = 1;
3820 break;
3821 case QEMU_OPTION_clock:
3822 /* Clock options no longer exist. Keep this option for
3823 * backward compatibility.
3824 */
3825 break;
3826 case QEMU_OPTION_startdate:
3827 configure_rtc_date_offset(optarg, 1);
3828 break;
3829 case QEMU_OPTION_rtc:
3830 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3831 false);
3832 if (!opts) {
3833 exit(1);
3834 }
3835 configure_rtc(opts);
3836 break;
3837 case QEMU_OPTION_tb_size:
3838 tcg_tb_size = strtol(optarg, NULL, 0);
3839 if (tcg_tb_size < 0) {
3840 tcg_tb_size = 0;
3841 }
3842 break;
3843 case QEMU_OPTION_icount:
3844 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3845 optarg, true);
3846 if (!icount_opts) {
3847 exit(1);
3848 }
3849 break;
3850 case QEMU_OPTION_incoming:
3851 if (!incoming) {
3852 runstate_set(RUN_STATE_INMIGRATE);
3853 }
3854 incoming = optarg;
3855 break;
3856 case QEMU_OPTION_nodefaults:
3857 has_defaults = 0;
3858 break;
3859 case QEMU_OPTION_xen_domid:
3860 if (!(xen_available())) {
3861 printf("Option %s not supported for this target\n", popt->name);
3862 exit(1);
3863 }
3864 xen_domid = atoi(optarg);
3865 break;
3866 case QEMU_OPTION_xen_create:
3867 if (!(xen_available())) {
3868 printf("Option %s not supported for this target\n", popt->name);
3869 exit(1);
3870 }
3871 xen_mode = XEN_CREATE;
3872 break;
3873 case QEMU_OPTION_xen_attach:
3874 if (!(xen_available())) {
3875 printf("Option %s not supported for this target\n", popt->name);
3876 exit(1);
3877 }
3878 xen_mode = XEN_ATTACH;
3879 break;
3880 case QEMU_OPTION_trace:
3881 {
3882 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3883 optarg, false);
3884 if (!opts) {
3885 exit(1);
3886 }
3887 trace_events = qemu_opt_get(opts, "events");
3888 trace_file = qemu_opt_get(opts, "file");
3889 break;
3890 }
3891 case QEMU_OPTION_readconfig:
3892 {
3893 int ret = qemu_read_config_file(optarg);
3894 if (ret < 0) {
3895 error_report("read config %s: %s", optarg,
3896 strerror(-ret));
3897 exit(1);
3898 }
3899 break;
3900 }
3901 case QEMU_OPTION_spice:
3902 olist = qemu_find_opts("spice");
3903 if (!olist) {
3904 error_report("spice is not supported by this qemu build.");
3905 exit(1);
3906 }
3907 opts = qemu_opts_parse_noisily(olist, optarg, false);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 display_remote++;
3912 break;
3913 case QEMU_OPTION_writeconfig:
3914 {
3915 FILE *fp;
3916 if (strcmp(optarg, "-") == 0) {
3917 fp = stdout;
3918 } else {
3919 fp = fopen(optarg, "w");
3920 if (fp == NULL) {
3921 error_report("open %s: %s", optarg,
3922 strerror(errno));
3923 exit(1);
3924 }
3925 }
3926 qemu_config_write(fp);
3927 if (fp != stdout) {
3928 fclose(fp);
3929 }
3930 break;
3931 }
3932 case QEMU_OPTION_qtest:
3933 qtest_chrdev = optarg;
3934 break;
3935 case QEMU_OPTION_qtest_log:
3936 qtest_log = optarg;
3937 break;
3938 case QEMU_OPTION_sandbox:
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3940 optarg, true);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 break;
3945 case QEMU_OPTION_add_fd:
3946 #ifndef _WIN32
3947 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3948 optarg, false);
3949 if (!opts) {
3950 exit(1);
3951 }
3952 #else
3953 error_report("File descriptor passing is disabled on this "
3954 "platform");
3955 exit(1);
3956 #endif
3957 break;
3958 case QEMU_OPTION_object:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3960 optarg, true);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 break;
3965 case QEMU_OPTION_realtime:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3967 optarg, false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3972 break;
3973 case QEMU_OPTION_msg:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3975 false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 configure_msg(opts);
3980 break;
3981 case QEMU_OPTION_dump_vmstate:
3982 if (vmstate_dump_file) {
3983 error_report("only one '-dump-vmstate' "
3984 "option may be given");
3985 exit(1);
3986 }
3987 vmstate_dump_file = fopen(optarg, "w");
3988 if (vmstate_dump_file == NULL) {
3989 error_report("open %s: %s", optarg, strerror(errno));
3990 exit(1);
3991 }
3992 break;
3993 default:
3994 os_parse_cmd_args(popt->index, optarg);
3995 }
3996 }
3997 }
3998
3999 opts = qemu_get_machine_opts();
4000 optarg = qemu_opt_get(opts, "type");
4001 if (optarg) {
4002 machine_class = machine_parse(optarg);
4003 }
4004
4005 if (machine_class == NULL) {
4006 error_report("No machine specified, and there is no default.");
4007 error_printf("Use -machine help to list supported machines!\n");
4008 exit(1);
4009 }
4010
4011 set_memory_options(&ram_slots, &maxram_size, machine_class);
4012
4013 loc_set_none();
4014
4015 os_daemonize();
4016
4017 if (qemu_init_main_loop(&main_loop_err)) {
4018 error_report_err(main_loop_err);
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4023 parse_sandbox, NULL, NULL)) {
4024 exit(1);
4025 }
4026
4027 if (qemu_opts_foreach(qemu_find_opts("name"),
4028 parse_name, NULL, NULL)) {
4029 exit(1);
4030 }
4031
4032 #ifndef _WIN32
4033 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4034 parse_add_fd, NULL, NULL)) {
4035 exit(1);
4036 }
4037
4038 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4039 cleanup_add_fd, NULL, NULL)) {
4040 exit(1);
4041 }
4042 #endif
4043
4044 current_machine = MACHINE(object_new(object_class_get_name(
4045 OBJECT_CLASS(machine_class))));
4046 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4047 exit(0);
4048 }
4049 object_property_add_child(object_get_root(), "machine",
4050 OBJECT(current_machine), &error_abort);
4051 cpu_exec_init_all();
4052
4053 if (machine_class->hw_version) {
4054 qemu_set_version(machine_class->hw_version);
4055 }
4056
4057 /* Init CPU def lists, based on config
4058 * - Must be called after all the qemu_read_config_file() calls
4059 * - Must be called before list_cpus()
4060 * - Must be called before machine->init()
4061 */
4062 cpudef_init();
4063
4064 if (cpu_model && is_help_option(cpu_model)) {
4065 list_cpus(stdout, &fprintf, cpu_model);
4066 exit(0);
4067 }
4068
4069 /* Open the logfile at this point and set the log mask if necessary.
4070 */
4071 if (log_file) {
4072 qemu_set_log_filename(log_file);
4073 }
4074
4075 if (log_mask) {
4076 int mask;
4077 mask = qemu_str_to_log_mask(log_mask);
4078 if (!mask) {
4079 qemu_print_log_usage(stdout);
4080 exit(1);
4081 }
4082 qemu_set_log(mask);
4083 }
4084
4085 if (!is_daemonized()) {
4086 if (!trace_init_backends(trace_events, trace_file)) {
4087 exit(1);
4088 }
4089 }
4090
4091 /* If no data_dir is specified then try to find it relative to the
4092 executable path. */
4093 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4094 data_dir[data_dir_idx] = os_find_datadir();
4095 if (data_dir[data_dir_idx] != NULL) {
4096 data_dir_idx++;
4097 }
4098 }
4099 /* If all else fails use the install path specified when building. */
4100 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4101 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4102 }
4103
4104 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4105
4106 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4107 if (max_cpus > machine_class->max_cpus) {
4108 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4109 "supported by machine '%s' (%d)", max_cpus,
4110 machine_class->name, machine_class->max_cpus);
4111 exit(1);
4112 }
4113
4114 /*
4115 * Get the default machine options from the machine if it is not already
4116 * specified either by the configuration file or by the command line.
4117 */
4118 if (machine_class->default_machine_opts) {
4119 qemu_opts_set_defaults(qemu_find_opts("machine"),
4120 machine_class->default_machine_opts, 0);
4121 }
4122
4123 qemu_opts_foreach(qemu_find_opts("device"),
4124 default_driver_check, NULL, NULL);
4125 qemu_opts_foreach(qemu_find_opts("global"),
4126 default_driver_check, NULL, NULL);
4127
4128 if (!vga_model && !default_vga) {
4129 vga_interface_type = VGA_DEVICE;
4130 }
4131 if (!has_defaults || machine_class->no_serial) {
4132 default_serial = 0;
4133 }
4134 if (!has_defaults || machine_class->no_parallel) {
4135 default_parallel = 0;
4136 }
4137 if (!has_defaults || !machine_class->use_virtcon) {
4138 default_virtcon = 0;
4139 }
4140 if (!has_defaults || !machine_class->use_sclp) {
4141 default_sclp = 0;
4142 }
4143 if (!has_defaults || machine_class->no_floppy) {
4144 default_floppy = 0;
4145 }
4146 if (!has_defaults || machine_class->no_cdrom) {
4147 default_cdrom = 0;
4148 }
4149 if (!has_defaults || machine_class->no_sdcard) {
4150 default_sdcard = 0;
4151 }
4152 if (!has_defaults) {
4153 default_monitor = 0;
4154 default_net = 0;
4155 default_vga = 0;
4156 }
4157
4158 if (is_daemonized()) {
4159 /* According to documentation and historically, -nographic redirects
4160 * serial port, parallel port and monitor to stdio, which does not work
4161 * with -daemonize. We can redirect these to null instead, but since
4162 * -nographic is legacy, let's just error out.
4163 * We disallow -nographic only if all other ports are not redirected
4164 * explicitly, to not break existing legacy setups which uses
4165 * -nographic _and_ redirects all ports explicitly - this is valid
4166 * usage, -nographic is just a no-op in this case.
4167 */
4168 if (display_type == DT_NOGRAPHIC
4169 && (default_parallel || default_serial
4170 || default_monitor || default_virtcon)) {
4171 error_report("-nographic can not be used with -daemonize");
4172 exit(1);
4173 }
4174 #ifdef CONFIG_CURSES
4175 if (display_type == DT_CURSES) {
4176 error_report("curses display can not be used with -daemonize");
4177 exit(1);
4178 }
4179 #endif
4180 }
4181
4182 if (display_type == DT_NOGRAPHIC) {
4183 if (default_parallel)
4184 add_device_config(DEV_PARALLEL, "null");
4185 if (default_serial && default_monitor) {
4186 add_device_config(DEV_SERIAL, "mon:stdio");
4187 } else if (default_virtcon && default_monitor) {
4188 add_device_config(DEV_VIRTCON, "mon:stdio");
4189 } else if (default_sclp && default_monitor) {
4190 add_device_config(DEV_SCLP, "mon:stdio");
4191 } else {
4192 if (default_serial)
4193 add_device_config(DEV_SERIAL, "stdio");
4194 if (default_virtcon)
4195 add_device_config(DEV_VIRTCON, "stdio");
4196 if (default_sclp) {
4197 add_device_config(DEV_SCLP, "stdio");
4198 }
4199 if (default_monitor)
4200 monitor_parse("stdio", "readline", false);
4201 }
4202 } else {
4203 if (default_serial)
4204 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4205 if (default_parallel)
4206 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4207 if (default_monitor)
4208 monitor_parse("vc:80Cx24C", "readline", false);
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4211 if (default_sclp) {
4212 add_device_config(DEV_SCLP, "vc:80Cx24C");
4213 }
4214 }
4215
4216 #if defined(CONFIG_VNC)
4217 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4218 display_remote++;
4219 }
4220 #endif
4221 if (display_type == DT_DEFAULT && !display_remote) {
4222 #if defined(CONFIG_GTK)
4223 display_type = DT_GTK;
4224 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4225 display_type = DT_SDL;
4226 #elif defined(CONFIG_VNC)
4227 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4228 show_vnc_port = 1;
4229 #else
4230 display_type = DT_NONE;
4231 #endif
4232 }
4233
4234 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4235 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4236 "for SDL, ignoring option");
4237 }
4238 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4239 error_report("-no-quit is only valid for GTK and SDL, "
4240 "ignoring option");
4241 }
4242
4243 #if defined(CONFIG_GTK)
4244 if (display_type == DT_GTK) {
4245 early_gtk_display_init(request_opengl);
4246 }
4247 #endif
4248 #if defined(CONFIG_SDL)
4249 if (display_type == DT_SDL) {
4250 sdl_display_early_init(request_opengl);
4251 }
4252 #endif
4253 if (request_opengl == 1 && display_opengl == 0) {
4254 #if defined(CONFIG_OPENGL)
4255 error_report("OpenGL is not supported by the display.");
4256 #else
4257 error_report("QEMU was built without opengl support.");
4258 #endif
4259 exit(1);
4260 }
4261
4262 socket_init();
4263
4264 if (qemu_opts_foreach(qemu_find_opts("object"),
4265 object_create,
4266 object_create_initial, NULL)) {
4267 exit(1);
4268 }
4269
4270 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4271 chardev_init_func, NULL, NULL)) {
4272 exit(1);
4273 }
4274
4275 #ifdef CONFIG_VIRTFS
4276 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4277 fsdev_init_func, NULL, NULL)) {
4278 exit(1);
4279 }
4280 #endif
4281
4282 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4283 error_report("Could not acquire pid file: %s", strerror(errno));
4284 exit(1);
4285 }
4286
4287 if (qemu_opts_foreach(qemu_find_opts("device"),
4288 device_help_func, NULL, NULL)) {
4289 exit(0);
4290 }
4291
4292 machine_opts = qemu_get_machine_opts();
4293 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4294 NULL)) {
4295 object_unref(OBJECT(current_machine));
4296 exit(1);
4297 }
4298
4299 configure_accelerator(current_machine);
4300
4301 if (qtest_chrdev) {
4302 Error *local_err = NULL;
4303 qtest_init(qtest_chrdev, qtest_log, &local_err);
4304 if (local_err) {
4305 error_report_err(local_err);
4306 exit(1);
4307 }
4308 }
4309
4310 machine_opts = qemu_get_machine_opts();
4311 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4312 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4313 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4314 bios_name = qemu_opt_get(machine_opts, "firmware");
4315
4316 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4317 if (opts) {
4318 Error *local_err = NULL;
4319
4320 boot_order = qemu_opt_get(opts, "order");
4321 if (boot_order) {
4322 validate_bootdevices(boot_order, &local_err);
4323 if (local_err) {
4324 error_report_err(local_err);
4325 exit(1);
4326 }
4327 }
4328
4329 boot_once = qemu_opt_get(opts, "once");
4330 if (boot_once) {
4331 validate_bootdevices(boot_once, &local_err);
4332 if (local_err) {
4333 error_report_err(local_err);
4334 exit(1);
4335 }
4336 }
4337
4338 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4339 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4340 }
4341
4342 if (!boot_order) {
4343 boot_order = machine_class->default_boot_order;
4344 }
4345
4346 if (!kernel_cmdline) {
4347 kernel_cmdline = "";
4348 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4349 }
4350
4351 linux_boot = (kernel_filename != NULL);
4352
4353 if (!linux_boot && *kernel_cmdline != '\0') {
4354 error_report("-append only allowed with -kernel option");
4355 exit(1);
4356 }
4357
4358 if (!linux_boot && initrd_filename != NULL) {
4359 error_report("-initrd only allowed with -kernel option");
4360 exit(1);
4361 }
4362
4363 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4364 error_report("-dtb only allowed with -kernel option");
4365 exit(1);
4366 }
4367
4368 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4369 /* fall back to the -kernel/-append */
4370 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4371 }
4372
4373 os_set_line_buffering();
4374
4375 #ifdef CONFIG_SPICE
4376 /* spice needs the timers to be initialized by this point */
4377 qemu_spice_init();
4378 #endif
4379
4380 cpu_ticks_init();
4381 if (icount_opts) {
4382 if (kvm_enabled() || xen_enabled()) {
4383 error_report("-icount is not allowed with kvm or xen");
4384 exit(1);
4385 }
4386 configure_icount(icount_opts, &error_abort);
4387 qemu_opts_del(icount_opts);
4388 }
4389
4390 /* clean up network at qemu process termination */
4391 atexit(&net_cleanup);
4392
4393 if (net_init_clients() < 0) {
4394 exit(1);
4395 }
4396
4397 if (qemu_opts_foreach(qemu_find_opts("object"),
4398 object_create,
4399 object_create_delayed, NULL)) {
4400 exit(1);
4401 }
4402
4403 #ifdef CONFIG_TPM
4404 if (tpm_init() < 0) {
4405 exit(1);
4406 }
4407 #endif
4408
4409 /* init the bluetooth world */
4410 if (foreach_device_config(DEV_BT, bt_parse))
4411 exit(1);
4412
4413 if (!xen_enabled()) {
4414 /* On 32-bit hosts, QEMU is limited by virtual address space */
4415 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4416 error_report("at most 2047 MB RAM can be simulated");
4417 exit(1);
4418 }
4419 }
4420
4421 blk_mig_init();
4422 ram_mig_init();
4423
4424 /* If the currently selected machine wishes to override the units-per-bus
4425 * property of its default HBA interface type, do so now. */
4426 if (machine_class->units_per_default_bus) {
4427 override_max_devs(machine_class->block_default_type,
4428 machine_class->units_per_default_bus);
4429 }
4430
4431 /* open the virtual block devices */
4432 if (snapshot)
4433 qemu_opts_foreach(qemu_find_opts("drive"),
4434 drive_enable_snapshot, NULL, NULL);
4435 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4436 &machine_class->block_default_type, NULL)) {
4437 exit(1);
4438 }
4439
4440 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4441 CDROM_OPTS);
4442 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4443 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4444
4445 parse_numa_opts(machine_class);
4446
4447 if (qemu_opts_foreach(qemu_find_opts("mon"),
4448 mon_init_func, NULL, NULL)) {
4449 exit(1);
4450 }
4451
4452 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4453 exit(1);
4454 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4455 exit(1);
4456 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4457 exit(1);
4458 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4459 exit(1);
4460 }
4461 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4462 exit(1);
4463
4464 /* If no default VGA is requested, the default is "none". */
4465 if (default_vga) {
4466 if (machine_class->default_display) {
4467 vga_model = machine_class->default_display;
4468 } else if (cirrus_vga_available()) {
4469 vga_model = "cirrus";
4470 } else if (vga_available()) {
4471 vga_model = "std";
4472 }
4473 }
4474 if (vga_model) {
4475 select_vgahw(vga_model);
4476 }
4477
4478 if (watchdog) {
4479 i = select_watchdog(watchdog);
4480 if (i > 0)
4481 exit (i == 1 ? 1 : 0);
4482 }
4483
4484 if (machine_class->compat_props) {
4485 qdev_prop_register_global_list(machine_class->compat_props);
4486 }
4487 qemu_add_globals();
4488
4489 qdev_machine_init();
4490
4491 current_machine->ram_size = ram_size;
4492 current_machine->maxram_size = maxram_size;
4493 current_machine->ram_slots = ram_slots;
4494 current_machine->boot_order = boot_order;
4495 current_machine->cpu_model = cpu_model;
4496
4497 machine_class->init(current_machine);
4498
4499 realtime_init();
4500
4501 audio_init();
4502
4503 cpu_synchronize_all_post_init();
4504
4505 numa_post_machine_init();
4506
4507 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4508 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4509 exit(1);
4510 }
4511
4512 /* init USB devices */
4513 if (usb_enabled()) {
4514 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4515 exit(1);
4516 }
4517
4518 /* Check if IGD GFX passthrough. */
4519 igd_gfx_passthru();
4520
4521 /* init generic devices */
4522 if (qemu_opts_foreach(qemu_find_opts("device"),
4523 device_init_func, NULL, NULL)) {
4524 exit(1);
4525 }
4526
4527 /* Did we create any drives that we failed to create a device for? */
4528 drive_check_orphaned();
4529
4530 net_check_clients();
4531
4532 if (boot_once) {
4533 Error *local_err = NULL;
4534 qemu_boot_set(boot_once, &local_err);
4535 if (local_err) {
4536 error_report("%s", error_get_pretty(local_err));
4537 exit(1);
4538 }
4539 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4540 }
4541
4542 ds = init_displaystate();
4543
4544 /* init local displays */
4545 switch (display_type) {
4546 case DT_NOGRAPHIC:
4547 (void)ds; /* avoid warning if no display is configured */
4548 break;
4549 #if defined(CONFIG_CURSES)
4550 case DT_CURSES:
4551 curses_display_init(ds, full_screen);
4552 break;
4553 #endif
4554 #if defined(CONFIG_SDL)
4555 case DT_SDL:
4556 sdl_display_init(ds, full_screen, no_frame);
4557 break;
4558 #elif defined(CONFIG_COCOA)
4559 case DT_SDL:
4560 cocoa_display_init(ds, full_screen);
4561 break;
4562 #endif
4563 #if defined(CONFIG_GTK)
4564 case DT_GTK:
4565 gtk_display_init(ds, full_screen, grab_on_hover);
4566 break;
4567 #endif
4568 default:
4569 break;
4570 }
4571
4572 /* must be after terminal init, SDL library changes signal handlers */
4573 os_setup_signal_handling();
4574
4575 #ifdef CONFIG_VNC
4576 /* init remote displays */
4577 qemu_opts_foreach(qemu_find_opts("vnc"),
4578 vnc_init_func, NULL, NULL);
4579 if (show_vnc_port) {
4580 char *ret = vnc_display_local_addr("default");
4581 printf("VNC server running on `%s'\n", ret);
4582 g_free(ret);
4583 }
4584 #endif
4585 #ifdef CONFIG_SPICE
4586 if (using_spice) {
4587 qemu_spice_display_init();
4588 }
4589 #endif
4590
4591 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4592 exit(1);
4593 }
4594
4595 qdev_machine_creation_done();
4596
4597 /* TODO: once all bus devices are qdevified, this should be done
4598 * when bus is created by qdev.c */
4599 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4600 qemu_run_machine_init_done_notifiers();
4601
4602 if (rom_check_and_register_reset() != 0) {
4603 error_report("rom check and register reset failed");
4604 exit(1);
4605 }
4606
4607 qemu_system_reset(VMRESET_SILENT);
4608 register_global_state();
4609 if (loadvm) {
4610 if (load_vmstate(loadvm) < 0) {
4611 autostart = 0;
4612 }
4613 }
4614
4615 qdev_prop_check_globals();
4616 if (vmstate_dump_file) {
4617 /* dump and exit */
4618 dump_vmstate_json_to_file(vmstate_dump_file);
4619 return 0;
4620 }
4621
4622 if (incoming) {
4623 Error *local_err = NULL;
4624 qemu_start_incoming_migration(incoming, &local_err);
4625 if (local_err) {
4626 error_report("-incoming %s: %s", incoming,
4627 error_get_pretty(local_err));
4628 error_free(local_err);
4629 exit(1);
4630 }
4631 } else if (autostart) {
4632 vm_start();
4633 }
4634
4635 os_setup_post();
4636
4637 if (is_daemonized()) {
4638 if (!trace_init_backends(trace_events, trace_file)) {
4639 exit(1);
4640 }
4641 }
4642
4643 main_loop();
4644 bdrv_close_all();
4645 pause_all_vcpus();
4646 res_free();
4647 #ifdef CONFIG_TPM
4648 tpm_cleanup();
4649 #endif
4650
4651 return 0;
4652 }
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